/* ============================================================
   SOVAREQ — website styles
   Design tokens: sovaguard-design-tokens.md (verplicht basis)
   Website-specifieke tokens aangevuld onderaan tokens-sectie
   ============================================================ */

/* ── 1. Design tokens (dark default — light via data-theme="light") ── */
:root {
  /* Kleur — dark (altijd donker) */
  --color-ink:            #f3f4f6;
  --color-ink-muted:      #9ca3af;
  --color-ink-subtle:     #6b7280;
  --color-surface:        #181a1f;
  --color-surface-muted:  #1f2128;
  --color-surface-sunken: #13151a;
  --color-surface-subtle: #21232b;
  --color-border:         #2d2f34;
  --color-border-strong:  #4b4f58;
  --color-accent:         #4d8bff;
  --color-accent-hover:   #80a7ff;
  --color-accent-soft:    #6698ff;
  --color-focus:          #4d8bff;

  /* Typografie */
  --font-sans: "IBM Plex Sans", -apple-system, BlinkMacSystemFont,
               "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  --font-mono: "IBM Plex Mono", ui-monospace, "SF Mono", Menlo,
               Consolas, "Liberation Mono", monospace;

  /* Schaal */
  --text-xs:   12px;
  --text-sm:   14px;
  --text-base: 16px;
  --text-lg:   18px;
  --text-2xl:  32px;

  /* Ruimte (4px-grid) */
  --space-1:   4px;
  --space-2:   8px;
  --space-3:  12px;
  --space-4:  16px;
  --space-5:  20px;
  --space-6:  24px;
  --space-8:  32px;
  --space-10: 40px;
  --space-12: 48px;

  /* Hoekradius */
  --radius-sm:  6px;
  --radius-md:  8px;
  --radius-lg: 12px;

  /* Randen */
  --border-thin:   1px solid var(--color-border);
  --border-strong: 2px solid var(--color-ink);

  /* Layout */
  --container-max: 1200px;
  --grid-gap:      20px;

  /* Website-specifieke tokens */
  --header-h:         64px;
  --section-pad-v:    clamp(64px, 8vw, 112px);
  --section-pad-h:    clamp(20px, 5vw, 72px);
  --hero-logo-size:   clamp(160px, 22vw, 280px);
  --label-tracking:   0.13em;
}

/* ── Light theme (via data-theme="light" op <html>) ─────── */
[data-theme="light"] {
  --color-ink:            #14181f;
  --color-ink-muted:      #363e4c;
  --color-ink-subtle:     #6b7280;
  --color-surface:        #ededef;
  --color-surface-muted:  #e4e5e8;
  --color-surface-sunken: #d8d9dc;
  --color-surface-subtle: #e8e9ec;
  --color-border:         #c8cacf;
  --color-border-strong:  #9ea2ab;
  --color-accent:         #0052c8;
  --color-accent-hover:   #003f99;
  --color-focus:          #0052c8;
}

/* ── 3. Reset ──────────────────────────────────────────────── */
*, *::before, *::after {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  background: var(--color-surface);
  color: var(--color-ink);
  font-family: var(--font-sans);
  font-size: var(--text-base);
  font-weight: 400;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

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

h1, h2, h3, p, blockquote {
  margin: 0;
}

:focus-visible {
  outline: 2px solid var(--color-focus);
  outline-offset: 2px;
}

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

/* ── 4. Header ─────────────────────────────────────────────── */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  height: var(--header-h);
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 var(--section-pad-h);
  border-bottom: var(--border-thin);
  background: var(--color-surface);
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: var(--space-3);
  min-height: 44px;
}

.brand-mark {
  width: 36px;
  height: 36px;
  border-radius: 50%;
  display: block;
  border: var(--border-thin);
}

.brand-name {
  font-family: var(--font-sans);
  font-size: var(--text-sm);
  font-weight: 700;
  letter-spacing: var(--label-tracking);
  text-transform: uppercase;
  color: var(--color-ink);
}

.main-nav {
  display: flex;
  align-items: center;
  gap: var(--space-1);
}

.main-nav a {
  min-height: 44px;
  min-width: 44px;
  display: inline-flex;
  align-items: center;
  padding: 0 var(--space-4);
  font-size: var(--text-sm);
  font-weight: 500;
  color: var(--color-ink-muted);
  border-radius: var(--radius-md);
  transition: color 0.15s;
}

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

.nav-cta {
  color: var(--color-surface) !important;
  background: var(--color-ink);
  border: var(--border-strong);
  border-radius: 0 !important;
  padding: 0 var(--space-5) !important;
  letter-spacing: 0.04em;
  transition: opacity 0.15s !important;
}

.nav-cta:hover {
  opacity: 0.82;
}

/* ── 5. Hero ───────────────────────────────────────────────── */
.hero {
  min-height: calc(100vh - var(--header-h));
  display: grid;
  grid-template-columns: 1fr auto;
  align-items: center;
  gap: clamp(var(--space-10), 6vw, 96px);
  padding: var(--section-pad-v) var(--section-pad-h);
  border-bottom: var(--border-thin);
}

.hero-copy {
  max-width: 640px;
}

.hero h1 {
  font-size: clamp(2.6rem, 6vw, 5.2rem);
  font-weight: 700;
  line-height: 1.02;
  letter-spacing: -0.025em;
  color: var(--color-ink);
  margin-top: var(--space-5);
  margin-bottom: var(--space-6);
}

.hero-sub {
  font-size: var(--text-lg);
  color: var(--color-ink-muted);
  line-height: 1.65;
  margin-bottom: var(--space-10);
}

.hero-visual {
  display: flex;
  align-items: center;
  justify-content: center;
  padding: var(--space-8);
}

.hero-logo {
  width: var(--hero-logo-size);
  height: var(--hero-logo-size);
  border-radius: 50%;
  display: block;
  border: var(--border-strong);
}

/* ── 6. Knoppen ────────────────────────────────────────────── */
.btn-primary {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 44px;
  padding: var(--space-2) var(--space-5);
  background: var(--color-ink);
  color: var(--color-surface);
  border: var(--border-strong);
  border-radius: var(--radius-md);
  font-family: var(--font-sans);
  font-size: var(--text-sm);
  font-weight: 500;
  cursor: pointer;
  transition: opacity 0.15s;
}

.btn-primary:hover {
  opacity: 0.82;
}

/* ── 7. Sectie-layout ──────────────────────────────────────── */
.section-inner {
  max-width: var(--container-max);
  margin: 0 auto;
  padding: var(--section-pad-v) var(--section-pad-h);
}

.section-label {
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  font-weight: 500;
  letter-spacing: var(--label-tracking);
  text-transform: uppercase;
  color: var(--color-ink-subtle);
  margin-bottom: var(--space-4);
  display: block;
}

/* ── 8. Sovaguard ──────────────────────────────────────────── */
.product-section {
  background: var(--color-surface-muted);
  border-bottom: var(--border-thin);
}

.product-section h2 {
  font-size: clamp(2rem, 4vw, 3.2rem);
  font-weight: 700;
  letter-spacing: -0.02em;
  margin-bottom: var(--space-4);
}

.product-sub {
  font-size: var(--text-lg);
  color: var(--color-ink-muted);
  max-width: 600px;
  line-height: 1.65;
  margin-bottom: var(--space-12);
}

.feature-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--grid-gap);
  margin-bottom: var(--space-10);
}

.feature-card {
  padding: var(--space-8);
  background: var(--color-surface);
  border: var(--border-strong);
  border-radius: 0;
  border-top: 3px solid var(--color-accent);
}

.feature-label {
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  font-weight: 600;
  letter-spacing: var(--label-tracking);
  text-transform: uppercase;
  color: var(--color-ink);
  margin-bottom: var(--space-3);
  overflow-wrap: break-word;
  word-break: break-word;
}

.feature-card p {
  font-size: var(--text-sm);
  color: var(--color-ink-muted);
  line-height: 1.7;
}

.compliance-row {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-2);
}

.compliance-tag {
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  font-weight: 500;
  letter-spacing: 0.06em;
  color: var(--color-ink-subtle);
  padding: var(--space-2) var(--space-3);
  border: var(--border-thin);
  border-radius: var(--radius-sm);
  background: var(--color-surface-sunken);
}

/* ── 9. Aanpak ─────────────────────────────────────────────── */
.aanpak-section {
  border-bottom: var(--border-thin);
}

.aanpak-inner {
  max-width: var(--container-max);
  margin: 0 auto;
  padding: var(--section-pad-v) var(--section-pad-h);
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: clamp(var(--space-10), 6vw, 96px);
  align-items: start;
}

.aanpak-head h2 {
  font-size: clamp(2rem, 4vw, 3.2rem);
  font-weight: 700;
  letter-spacing: -0.02em;
  margin-top: var(--space-4);
}

.aanpak-body {
  display: flex;
  flex-direction: column;
  gap: var(--space-5);
}

.aanpak-body p {
  font-size: var(--text-base);
  color: var(--color-ink-muted);
  line-height: 1.75;
}

.aanpak-quote {
  font-size: var(--text-lg);
  font-weight: 600;
  color: var(--color-ink);
  border-left: 3px solid var(--color-accent);
  padding-left: var(--space-5);
  margin-top: var(--space-3);
}

/* ── 10. Contact ───────────────────────────────────────────── */
.contact-section {
  background: var(--color-surface-muted);
  border-bottom: var(--border-thin);
}

.contact-section h2 {
  font-size: clamp(2rem, 4vw, 3.2rem);
  font-weight: 700;
  letter-spacing: -0.02em;
  margin-bottom: var(--space-6);
}

.contact-email {
  display: inline-flex;
  align-items: center;
  min-height: 44px;
  font-size: clamp(1.2rem, 2.5vw, 1.8rem);
  font-weight: 600;
  color: var(--color-ink);
  border-bottom: var(--border-strong);
  padding-bottom: var(--space-1);
  transition: color 0.15s;
}

.contact-email:hover {
  color: var(--color-accent);
}

/* ── 11. Footer ────────────────────────────────────────────── */
.site-footer {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: var(--space-2) var(--space-6);
  padding: var(--space-6) var(--section-pad-h);
  border-top: var(--border-thin);
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  font-weight: 400;
  color: var(--color-ink-subtle);
  letter-spacing: 0.05em;
}

/* ── 11b. Metrics strip ────────────────────────────────────── */
.metrics-strip {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  background: var(--color-surface-sunken);
  border-bottom: var(--border-thin);
  padding: 0 clamp(16px, 5vw, 72px);
}

.metric-item {
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
  padding: var(--space-8) var(--section-pad-h);
  border-right: var(--border-thin);
}

.metric-item:last-child {
  border-right: none;
}

.metric-val {
  font-family: var(--font-mono);
  font-size: clamp(1.1rem, 2vw, 1.6rem);
  font-weight: 700;
  color: var(--color-ink);
  letter-spacing: -0.02em;
}

.metric-lbl {
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  color: var(--color-ink-subtle);
  letter-spacing: var(--label-tracking);
  text-transform: uppercase;
}

/* ── 11c. Site-overlay ─────────────────────────────────────── */
.site-overlay {
  position: fixed;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: min(76vw, calc(76vh * 360 / 435));
  aspect-ratio: 360 / 435;
  pointer-events: none;
  z-index: 9999;
  color: var(--color-ink);
}

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

/* Per-element opaciteiten:
   wit/neutraal → subtiel (0.07)
   blauw = Sovaguard → zichtbaar (0.25)          */
.overlay-svg .ring-outer   { stroke-opacity: 0.07; }
.overlay-svg .ring-inner   { stroke-opacity: 0.15; }
.overlay-svg .rail         { stroke-opacity: 0.07; }
.overlay-svg .bar-white    { fill-opacity:   0.07; }
.overlay-svg .bar-blue     { fill-opacity:   0.15; }
.overlay-svg .overlay-text {
  fill-opacity: 0.07;
  font-family:  var(--font-sans);
  font-weight:  700;
}

/* ── 12. Lang toggle ───────────────────────────────────────── */
.lang-toggle {
  display: inline-flex;
  align-items: center;
  border: var(--border-thin);
  overflow: hidden;
  margin: 0 var(--space-2);
}

.lang-btn {
  min-height: 32px;
  min-width: 36px;
  padding: 0 var(--space-2);
  background: none;
  border: none;
  border-right: var(--border-thin);
  border-radius: 0;
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  font-weight: 600;
  letter-spacing: 0.06em;
  color: var(--color-ink-muted);
  cursor: pointer;
  transition: color 0.12s, background 0.12s;
}

.lang-btn:last-child {
  border-right: none;
}

.lang-btn:hover {
  color: var(--color-ink);
  background: var(--color-surface-subtle);
}

.lang-btn.active {
  color: var(--color-surface);
  background: var(--color-ink);
}

.theme-btn {
  min-height: 32px;
  min-width: 44px;
  padding: 0 var(--space-3);
  background: none;
  border: var(--border-thin);
  border-radius: 0;
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  font-weight: 600;
  letter-spacing: 0.06em;
  color: var(--color-ink-muted);
  cursor: pointer;
  margin-left: var(--space-2);
  transition: color 0.12s, background 0.12s;
}

.theme-btn:hover {
  color: var(--color-ink);
  background: var(--color-surface-subtle);
}

.tone-toggle {
  display: inline-flex;
  align-items: center;
  border: var(--border-thin);
  overflow: hidden;
  margin: 0 var(--space-2);
}

.tone-btn {
  min-height: 32px;
  padding: 0 var(--space-2);
  background: none;
  border: none;
  border-right: var(--border-thin);
  border-radius: 0;
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  font-weight: 600;
  letter-spacing: 0.06em;
  color: var(--color-ink-muted);
  cursor: pointer;
  transition: color 0.12s, background 0.12s;
}

.tone-btn:last-child {
  border-right: none;
}

.tone-btn:hover {
  color: var(--color-ink);
  background: var(--color-surface-subtle);
}

.tone-btn.active {
  color: var(--color-surface);
  background: var(--color-ink);
}

/* ── 13. Responsive ────────────────────────────────────────── */
@media (max-width: 900px) {
  .metrics-strip {
    grid-template-columns: repeat(2, 1fr);
  }

  .metric-item {
    padding: var(--space-6) max(5vw, 20px);
  }

  .metric-item:nth-child(2) {
    border-right: none;
  }

  .metric-item:nth-child(3),
  .metric-item:nth-child(4) {
    border-top: var(--border-thin);
  }

  .hero {
    grid-template-columns: 1fr;
    min-height: auto;
  }

  .hero-visual {
    order: -1;
    padding: 0;
  }

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

  .aanpak-inner {
    grid-template-columns: 1fr;
    gap: var(--space-8);
  }
}

/* ── Hamburger toggle ───────────────────────────────────── */
.nav-toggle {
  display: none;
}

@media (max-width: 900px) {
  .site-header {
    height: var(--header-h);
    flex-direction: row;
    align-items: center;
    padding: 0 var(--section-pad-h);
    position: relative;
  }

  .nav-toggle {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-height: 44px;
    min-width: 44px;
    background: none;
    border: none;
    color: var(--color-ink);
    font-size: 1.3rem;
    cursor: pointer;
    margin-left: auto;
  }

  .main-nav {
    display: none;
    position: absolute;
    top: var(--header-h);
    left: 0;
    right: 0;
    flex-direction: column;
    align-items: stretch;
    background: var(--color-surface);
    border-bottom: var(--border-strong);
    padding: var(--space-2) var(--section-pad-h) var(--space-4);
    gap: var(--space-1);
    z-index: 200;
    box-shadow: 0 8px 24px rgba(0,0,0,.18);
  }

  .main-nav.open {
    display: flex;
  }

  .main-nav a {
    padding: var(--space-3) var(--space-2);
    border-bottom: var(--border-thin);
    min-width: 0;
    justify-content: flex-start;
  }

  .main-nav .nav-cta {
    margin-top: var(--space-2);
    border-bottom: none;
    text-align: center;
    justify-content: center;
  }

  .lang-toggle,
  .tone-toggle {
    margin: var(--space-2) 0 0;
    align-self: flex-start;
  }

  .theme-btn {
    margin-left: 0;
    align-self: flex-start;
  }

  .btn-primary {
    width: 100%;
  }
}

/* ── Portrait gate ─────────────────────────────────────────── */
.portrait-gate {
  display: none;
  position: fixed;
  inset: 0;
  height: 100dvh;
  z-index: 9999;
  background: var(--color-surface);
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding: var(--space-8);
  gap: var(--space-5);
}

@media (orientation: portrait) and (max-width: 768px) {
  .portrait-gate { display: flex; }
}

.portrait-gate-label {
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  letter-spacing: var(--label-tracking);
  text-transform: uppercase;
  color: var(--color-ink-muted);
}

.portrait-gate-icon {
  display: block;
  width: 48px;
  height: 48px;
  animation: pg-rotate 2.4s ease-in-out infinite;
}

@keyframes pg-rotate {
  0%   { transform: rotate(0deg); }
  40%  { transform: rotate(0deg); }
  70%  { transform: rotate(90deg); }
  100% { transform: rotate(90deg); }
}

.portrait-gate h2 {
  font-size: clamp(1.3rem, 6vw, 1.8rem);
  font-weight: 700;
  letter-spacing: -.02em;
  margin: 0;
}

.portrait-gate p {
  font-size: var(--text-sm);
  color: var(--color-ink-muted);
  max-width: 260px;
  line-height: 1.65;
  margin: 0;
}

.portrait-gate-rule {
  font-family: var(--font-mono);
  font-size: .68rem;
  color: var(--color-accent);
  letter-spacing: .1em;
  opacity: .65;
  margin-top: var(--space-2);
}
