/* ============================================================
   Gitsels Data — stylesheet
   Token system derived from the branding document.
   ============================================================ */

:root {
  /* Brand colours */
  --deep-green: #1B4332;
  --botanical-green: #2D6A4F;
  --warm-neutral: #F5F3ED;
  --soft-mist: #E8E6E2;
  --slate-grey: #6C757D;
  --charcoal-ink: #0F1F1A;
  --copper-accent: #C2A476;
  --copper-accent-dark: #A98957;

  /* Surfaces */
  --bg: var(--warm-neutral);
  --panel: var(--soft-mist);
  --text: var(--charcoal-ink);
  --text-muted: var(--slate-grey);

  /* Type */
  --font-display: 'Space Grotesk', 'Helvetica Neue', Arial, sans-serif;
  --font-body: 'Inter', 'Helvetica Neue', Arial, sans-serif;
  --font-mono: 'JetBrains Mono', 'Courier New', monospace;

  /* Layout */
  --max-width: 1180px;
  --gutter: clamp(20px, 5vw, 64px);
  --radius: 3px;

  --ease: cubic-bezier(0.22, 1, 0.36, 1);
}

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

html {
  scroll-behavior: smooth;
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after {
    animation-duration: 0.001ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.001ms !important;
    scroll-behavior: auto !important;
  }
}

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

h1, h2, h3, h4 {
  font-family: var(--font-display);
  color: var(--deep-green);
  line-height: 1.12;
  margin: 0 0 0.5em 0;
  letter-spacing: -0.01em;
}

h1 { font-weight: 600; }
h2 { font-weight: 600; }

p { margin: 0 0 1em 0; }
p:last-child { margin-bottom: 0; }

a {
  color: var(--botanical-green);
  text-decoration: none;
}
a:hover { color: var(--deep-green); }

a:focus-visible,
button:focus-visible,
input:focus-visible,
textarea:focus-visible {
  outline: 2px solid var(--copper-accent-dark);
  outline-offset: 3px;
}

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

.wrap {
  max-width: var(--max-width);
  margin: 0 auto;
  padding-left: var(--gutter);
  padding-right: var(--gutter);
}

.eyebrow {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--botanical-green);
  display: inline-flex;
  align-items: center;
  gap: 0.6em;
}

.eyebrow::before {
  content: '';
  width: 18px;
  height: 1px;
  background: var(--copper-accent);
  display: inline-block;
}

/* ---------------- Header ---------------- */

.site-header {
  position: sticky;
  top: 0;
  z-index: 40;
  background: rgba(245, 243, 237, 0.88);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid rgba(15, 31, 26, 0.08);
}

.site-header .wrap {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 76px;
}

.logo {
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 1.18rem;
  color: var(--deep-green);
  letter-spacing: -0.01em;
  display: flex;
  align-items: center;
  gap: 0.6em;
}

.logo-mark {
  height: 60px;
  width: 60px;
  object-fit: contain;
  display: block;
}

.logo span {
  font-family: var(--font-mono);
  font-size: 0.62rem;
  font-weight: 500;
  letter-spacing: 0.1em;
  color: var(--copper-accent-dark);
  text-transform: uppercase;
}

.main-nav {
  display: flex;
  align-items: center;
  gap: 2.4rem;
}

.main-nav a:not(.btn) {
  color: var(--charcoal-ink);
  font-size: 0.94rem;
  position: relative;
  padding: 0.2em 0;
}

.main-nav a:not(.btn)::after {
  content: '';
  position: absolute;
  left: 0; right: 100%;
  bottom: -2px;
  height: 1px;
  background: var(--copper-accent-dark);
  transition: right 0.25s var(--ease);
}

.main-nav a:not(.btn):hover::after,
.main-nav a.active::after { right: 0; }

.main-nav a.active { color: var(--deep-green); font-weight: 500; }

.nav-toggle {
  display: none;
  background: none;
  border: none;
  cursor: pointer;
  width: 32px;
  height: 32px;
  padding: 0;
  position: relative;
}

.nav-toggle span,
.nav-toggle span::before,
.nav-toggle span::after {
  content: '';
  position: absolute;
  left: 6px; right: 6px;
  height: 1.5px;
  background: var(--deep-green);
  transition: transform 0.25s var(--ease), opacity 0.2s;
}
.nav-toggle span { top: 15px; }
.nav-toggle span::before { top: -7px; }
.nav-toggle span::after { top: 7px; }

.nav-toggle[aria-expanded="true"] span { background: transparent; }
.nav-toggle[aria-expanded="true"] span::before { transform: translateY(7px) rotate(45deg); }
.nav-toggle[aria-expanded="true"] span::after { transform: translateY(-7px) rotate(-45deg); }

/* ---------------- Buttons ---------------- */

.btn {
  display: inline-flex;
  align-items: center;
  gap: 0.6em;
  font-family: var(--font-body);
  font-weight: 600;
  font-size: 0.92rem;
  padding: 0.85em 1.5em;
  border-radius: var(--radius);
  border: 1px solid transparent;
  cursor: pointer;
  transition: background 0.2s var(--ease), color 0.2s var(--ease), border-color 0.2s var(--ease), transform 0.15s var(--ease);
}

.btn-primary {
  background: var(--copper-accent);
  color: var(--deep-green);
}
.btn-primary:hover { background: var(--copper-accent-dark); color: var(--warm-neutral); }

.btn-ghost {
  background: transparent;
  color: var(--deep-green);
  border-color: rgba(27, 67, 50, 0.3);
}
.btn-ghost:hover { border-color: var(--deep-green); background: rgba(27, 67, 50, 0.04); }

.btn-block { width: 100%; justify-content: center; }

/* ---------------- Hero ---------------- */

.hero {
  padding: clamp(64px, 10vw, 128px) 0 clamp(48px, 8vw, 96px);
}

.hero .wrap {
  display: grid;
  grid-template-columns: 1.05fr 0.95fr;
  gap: clamp(32px, 6vw, 72px);
  align-items: center;
}

.hero-copy h1 {
  font-size: clamp(2.3rem, 4.4vw, 3.6rem);
  margin-top: 0.5em;
  max-width: 12ch;
}

.hero-copy .lede {
  font-size: 1.08rem;
  color: var(--text-muted);
  max-width: 46ch;
  margin: 1.1em 0 2em;
}

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

.hero-visual {
  position: relative;
}

.pipeline-svg .node-label {
  font-family: var(--font-mono);
  font-size: 10.5px;
  fill: var(--charcoal-ink);
  letter-spacing: 0.03em;
}

.pipeline-svg .node-sub {
  font-family: var(--font-mono);
  font-size: 8.5px;
  fill: var(--slate-grey);
  letter-spacing: 0.02em;
}

.pipeline-svg .node-circle {
  fill: var(--warm-neutral);
  stroke: var(--botanical-green);
  stroke-width: 1.4;
}

.pipeline-svg .node-circle.final {
  fill: var(--deep-green);
  stroke: var(--deep-green);
}

.pipeline-svg .flow-path {
  fill: none;
  stroke: var(--copper-accent);
  stroke-width: 1.6;
  stroke-dasharray: 5 6;
  animation: flow 2.4s linear infinite;
}

.pipeline-svg .flow-path.slow { animation-duration: 3.2s; }

@keyframes flow {
  to { stroke-dashoffset: -44; }
}

/* ---------------- Sections ---------------- */

section { padding: clamp(56px, 8vw, 100px) 0; }

.section-head {
  max-width: 58ch;
  margin-bottom: clamp(32px, 5vw, 56px);
}

.section-head h2 {
  font-size: clamp(1.7rem, 3vw, 2.3rem);
  margin-top: 0.45em;
}

.divider {
  border: none;
  border-top: 1px solid rgba(15, 31, 26, 0.1);
  margin: 0;
}

/* Services */

.services-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.5px;
  background: rgba(15, 31, 26, 0.1);
  border: 1px solid rgba(15, 31, 26, 0.1);
}

.service-card {
  background: var(--bg);
  padding: clamp(28px, 3vw, 40px) clamp(24px, 3vw, 32px);
  display: flex;
  flex-direction: column;
  gap: 0.9em;
}

.service-card .index {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--copper-accent-dark);
}

.service-card h3 {
  font-size: 1.18rem;
  margin: 0;
}

.service-card p {
  color: var(--text-muted);
  font-size: 0.95rem;
}

.service-card .stack {
  margin-top: auto;
  padding-top: 0.9em;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  color: var(--botanical-green);
  letter-spacing: 0.02em;
}

/* Werkwijze / process */

.process-list {
  display: flex;
  flex-direction: column;
}

.process-item {
  display: grid;
  grid-template-columns: 72px 1fr;
  gap: clamp(16px, 3vw, 32px);
  padding: 26px 0;
  border-top: 1px solid rgba(15, 31, 26, 0.1);
}

.process-item:last-child { border-bottom: 1px solid rgba(15, 31, 26, 0.1); }

.process-num {
  font-family: var(--font-mono);
  color: var(--copper-accent-dark);
  font-size: 0.95rem;
  padding-top: 0.15em;
}

.process-item h3 {
  font-size: 1.05rem;
  margin: 0 0 0.3em 0;
}

.process-item p {
  color: var(--text-muted);
  font-size: 0.95rem;
  max-width: 60ch;
}

/* About */

.about {
  background: var(--panel);
}

.about .wrap {
  display: grid;
  grid-template-columns: 0.85fr 1.15fr;
  gap: clamp(32px, 6vw, 72px);
  align-items: center;
}

.about-mark {
  aspect-ratio: 1;
  max-width: 220px;
  border-radius: 50%;
  background: var(--deep-green);
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-display);
  color: var(--copper-accent);
  font-size: 2.6rem;
  font-weight: 600;
  letter-spacing: 0.02em;
}

.about-facts {
  list-style: none;
  padding: 0;
  margin: 1.6em 0 0;
  display: flex;
  flex-direction: column;
  gap: 0.6em;
  font-family: var(--font-mono);
  font-size: 0.82rem;
  color: var(--text-muted);
}

.about-facts li::before {
  content: '— ';
  color: var(--copper-accent-dark);
}

/* CTA band */

.cta-band {
  background: var(--deep-green);
  color: var(--warm-neutral);
  text-align: center;
}

.cta-band h2 { color: var(--warm-neutral); }

.cta-band .lede {
  color: rgba(245, 243, 237, 0.75);
  max-width: 48ch;
  margin: 0.8em auto 1.8em;
}

.cta-band .btn-ghost {
  color: var(--warm-neutral);
  border-color: rgba(245, 243, 237, 0.4);
}
.cta-band .btn-ghost:hover {
  border-color: var(--warm-neutral);
  background: rgba(245, 243, 237, 0.08);
}

/* ---------------- Contact page ---------------- */

.contact-layout {
  display: grid;
  grid-template-columns: 0.9fr 1.1fr;
  gap: clamp(32px, 6vw, 72px);
  align-items: start;
}

.contact-card {
  background: var(--panel);
  padding: clamp(28px, 3vw, 40px);
  border-radius: var(--radius);
}

.contact-card h3 {
  font-size: 1rem;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  font-family: var(--font-mono);
  color: var(--botanical-green);
  margin-bottom: 1.2em;
}

.contact-detail {
  display: flex;
  flex-direction: column;
  gap: 1.1em;
  margin-bottom: 1.6em;
}

.contact-detail div { display: flex; flex-direction: column; gap: 0.15em; }

.contact-detail .label {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.08em;
}

.contact-detail .value {
  font-size: 1rem;
  color: var(--deep-green);
  font-weight: 500;
}

.form-field {
  margin-bottom: 1.3em;
}

.form-field label {
  display: block;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--text-muted);
  margin-bottom: 0.5em;
}

.form-field input,
.form-field textarea {
  width: 100%;
  background: var(--warm-neutral);
  border: 1px solid rgba(15, 31, 26, 0.2);
  border-radius: var(--radius);
  padding: 0.85em 1em;
  font-family: var(--font-body);
  font-size: 0.96rem;
  color: var(--text);
  resize: vertical;
}

.form-field input:focus,
.form-field textarea:focus {
  border-color: var(--botanical-green);
  outline: none;
  box-shadow: 0 0 0 3px rgba(45, 106, 79, 0.12);
}

.form-note {
  font-size: 0.82rem;
  color: var(--text-muted);
  margin-top: 1em;
}

.form-status {
  font-size: 0.88rem;
  margin-top: 1em;
  padding: 0.8em 1em;
  border-radius: var(--radius);
  display: none;
}
.form-status.visible { display: block; }
.form-status.success { background: rgba(45, 106, 79, 0.1); color: var(--deep-green); }
.form-status.error { background: rgba(194, 164, 118, 0.18); color: var(--copper-accent-dark); }

/* ---------------- Footer ---------------- */

.site-footer {
  border-top: 1px solid rgba(15, 31, 26, 0.1);
  padding: 40px 0;
}

.site-footer .wrap {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 1rem;
}

.site-footer .foot-meta {
  font-family: var(--font-mono);
  font-size: 0.74rem;
  color: var(--text-muted);
  display: flex;
  gap: 1.6em;
  flex-wrap: wrap;
}

/* ---------------- Responsive ---------------- */

@media (max-width: 860px) {
  .services-grid { grid-template-columns: 1fr; }
  .hero .wrap { grid-template-columns: 1fr; }
  .hero-visual { order: -1; max-width: 420px; margin: 0 auto; }
  .about .wrap { grid-template-columns: 1fr; text-align: left; }
  .about-mark { margin-bottom: 0.5em; }
  .contact-layout { grid-template-columns: 1fr; }
}

@media (max-width: 700px) {
  .nav-toggle { display: block; }
  .main-nav {
    position: absolute;
    top: 76px; left: 0; right: 0;
    background: var(--warm-neutral);
    border-bottom: 1px solid rgba(15, 31, 26, 0.08);
    flex-direction: column;
    align-items: flex-start;
    gap: 0;
    padding: 0 var(--gutter);
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.3s var(--ease);
  }
  .main-nav.open { max-height: 320px; padding-bottom: 1.2rem; }
  .main-nav a:not(.btn) { padding: 0.9em 0; width: 100%; border-top: 1px solid rgba(15,31,26,0.06); }
  .main-nav a:not(.btn):first-child { border-top: none; }
  .main-nav .btn { margin-top: 0.8em; }
  .process-item { grid-template-columns: 40px 1fr; }
  .site-footer .wrap { flex-direction: column; align-items: flex-start; }
}