/* MATBOUW — base styles (Tailwind doet het zware werk via CDN) */

:root {
  --color-bg: #ffffff;
  --color-surface: #f7f8fa;
  --color-surface-2: #eef1f5;
  --color-line: #e4e8ee;
  --color-text: #0b1a2b;
  --color-text-soft: #475569;
  --color-muted: #8896a6;
  --color-primary: #0f2c4d;
  --color-primary-hover: #143b66;
  --color-accent: #2b6cb0;
  --color-accent-soft: #e8f0fa;
  --color-warm: #f3eee5;
  --shadow-soft: 0 1px 2px rgba(15, 44, 77, 0.04), 0 8px 24px rgba(15, 44, 77, 0.06);
  --shadow-elev: 0 4px 12px rgba(15, 44, 77, 0.08), 0 24px 48px -12px rgba(15, 44, 77, 0.18);
  --ease-brand: cubic-bezier(0.22, 1, 0.36, 1);
}

html { scroll-behavior: smooth; }
body { font-family: "Inter", system-ui, -apple-system, sans-serif; color: var(--color-text); background: var(--color-bg); -webkit-font-smoothing: antialiased; }
.font-display { font-family: "Manrope", "Inter", sans-serif; letter-spacing: -0.02em; }
.font-editorial { font-family: "Fraunces", Georgia, serif; }

/* Container */
.container-x { max-width: 1240px; margin-inline: auto; padding-inline: 1.25rem; }
@media (min-width: 768px) { .container-x { padding-inline: 1.5rem; } }

/* Buttons */
.btn { display: inline-flex; align-items: center; gap: 0.5rem; height: 3rem; padding: 0 1.5rem; border-radius: 12px; font-weight: 500; transition: all 0.2s var(--ease-brand); white-space: nowrap; }
.btn:focus-visible { outline: 2px solid var(--color-accent); outline-offset: 2px; }
.btn-primary { background: var(--color-primary); color: #fff; }
.btn-primary:hover { background: var(--color-primary-hover); transform: translateY(-1px); box-shadow: var(--shadow-soft); }
.btn-secondary { border: 1.5px solid var(--color-line); color: var(--color-text); background: #fff; }
.btn-secondary:hover { background: var(--color-surface); border-color: var(--color-text); }
.btn-ghost { color: var(--color-primary); padding: 0; height: auto; }
.btn-ghost:hover { color: var(--color-primary-hover); text-decoration: underline; text-underline-offset: 4px; }
.btn .arrow { transition: transform 0.25s var(--ease-brand); }
.btn:hover .arrow { transform: translateX(4px); }

/* Chips */
.chip { display: inline-flex; align-items: center; gap: 0.5rem; padding: 0.35rem 0.75rem; border-radius: 999px; font-size: 0.75rem; font-weight: 600; background: var(--color-accent-soft); color: var(--color-primary); letter-spacing: 0.04em; }
.chip-line { background: transparent; border: 1px solid var(--color-line); color: var(--color-text-soft); }
.eyebrow { display: inline-block; font-size: 0.75rem; font-weight: 600; letter-spacing: 0.14em; text-transform: uppercase; color: var(--color-text-soft); }

/* Card */
.card { background: #fff; border: 1px solid var(--color-line); border-radius: 16px; padding: 1.75rem; transition: all 0.3s var(--ease-brand); }
.card:hover { box-shadow: var(--shadow-elev); transform: translateY(-2px); border-color: transparent; }

/* Headings */
h1, h2, h3, h4 { font-family: "Manrope", "Inter", sans-serif; letter-spacing: -0.02em; color: var(--color-text); }
.h-display { font-size: clamp(2.5rem, 4.5vw, 4.25rem); line-height: 1.05; font-weight: 700; }
.h-page { font-size: clamp(2rem, 3.5vw, 3.25rem); line-height: 1.1; font-weight: 700; }
.h-section { font-size: clamp(1.75rem, 2.6vw, 2.5rem); line-height: 1.15; font-weight: 700; }
.h-card { font-size: 1.375rem; line-height: 1.3; font-weight: 700; }

/* Hero pattern */
.hero-grid {
  background-image:
    linear-gradient(180deg, rgba(247,248,250,0) 0%, rgba(247,248,250,1) 100%),
    radial-gradient(at 20% 0%, rgba(43,108,176,0.08) 0px, transparent 50%),
    radial-gradient(at 80% 0%, rgba(15,44,77,0.06) 0px, transparent 50%);
}

/* Image placeholder */
.img-ph {
  position: relative;
  background: linear-gradient(135deg, #eef1f5 0%, #e4e8ee 100%);
  background-image:
    linear-gradient(135deg, #eef1f5 0%, #e4e8ee 100%),
    repeating-linear-gradient(45deg, transparent 0 10px, rgba(15,44,77,0.03) 10px 11px);
  display: flex; align-items: center; justify-content: center;
  color: var(--color-muted); font-size: 0.875rem; letter-spacing: 0.08em; text-transform: uppercase; font-weight: 600;
  overflow: hidden;
}
.img-ph::after {
  content: ""; position: absolute; inset: 0;
  background-image: repeating-linear-gradient(135deg, transparent 0 18px, rgba(15,44,77,0.04) 18px 19px);
  pointer-events: none;
}
.img-ph > span { position: relative; z-index: 1; }

/* Header */
.site-header { position: sticky; top: 0; z-index: 50; backdrop-filter: blur(14px); -webkit-backdrop-filter: blur(14px); background: rgba(255,255,255,0.72); border-bottom: 1px solid transparent; transition: all 0.3s var(--ease-brand); }
.site-header.scrolled { background: rgba(255,255,255,0.92); border-bottom-color: var(--color-line); }
.nav-link { font-weight: 500; color: var(--color-text); padding: 0.5rem 0.875rem; border-radius: 10px; transition: all 0.2s; font-size: 0.95rem; }
.nav-link:hover { background: var(--color-surface); }
.nav-link.active { color: var(--color-primary); background: var(--color-accent-soft); }

/* Mobile menu */
.mobile-menu { display: none; }
.mobile-menu.open { display: flex; }

/* Reveal */
.reveal { opacity: 0; transform: translateY(20px); transition: opacity 0.7s var(--ease-brand), transform 0.7s var(--ease-brand); }
.reveal.in { opacity: 1; transform: translateY(0); }

/* WhatsApp float */
.wa-float { position: fixed; right: 1.25rem; bottom: 1.25rem; z-index: 60; width: 56px; height: 56px; border-radius: 999px; background: #25D366; color: #fff; display: flex; align-items: center; justify-content: center; box-shadow: 0 12px 28px rgba(37,211,102,0.35); transition: transform 0.25s var(--ease-brand); }
.wa-float:hover { transform: scale(1.06); }

/* Footer */
.site-footer { background: var(--color-primary); color: rgba(255,255,255,0.85); }
.site-footer a { color: rgba(255,255,255,0.85); }
.site-footer a:hover { color: #fff; }
.site-footer h4 { color: #fff; }
.footer-line { border-color: rgba(255,255,255,0.12); }

/* Forms */
.field { display: flex; flex-direction: column; gap: 0.4rem; }
.field label { font-size: 0.875rem; color: var(--color-text-soft); font-weight: 500; }
.field input, .field select, .field textarea {
  height: 3rem; padding: 0 1rem; border: 1.5px solid var(--color-line); border-radius: 12px; background: #fff; color: var(--color-text); font-size: 1rem; font-family: inherit; transition: border 0.2s, box-shadow 0.2s;
}
.field textarea { height: auto; padding: 0.875rem 1rem; min-height: 140px; resize: vertical; line-height: 1.55; }
.field input:focus, .field select:focus, .field textarea:focus { outline: none; border-color: var(--color-primary); box-shadow: 0 0 0 4px var(--color-accent-soft); }

/* Filter buttons */
.filter-btn { display: inline-flex; align-items: center; gap: 0.4rem; padding: 0.5rem 1rem; border-radius: 999px; border: 1px solid var(--color-line); background: #fff; color: var(--color-text-soft); font-size: 0.875rem; font-weight: 500; cursor: pointer; transition: all 0.2s; }
.filter-btn:hover { border-color: var(--color-primary); color: var(--color-primary); }
.filter-btn.active { background: var(--color-primary); border-color: var(--color-primary); color: #fff; }

/* Project card */
.proj-card { display: block; border-radius: 20px; overflow: hidden; background: #fff; transition: all 0.4s var(--ease-brand); }
.proj-card:hover { transform: translateY(-4px); }
.proj-card .proj-img { aspect-ratio: 4/3; }
.proj-card:hover .proj-img > span { transform: scale(1.04); }
.proj-img > span { display: block; width: 100%; height: 100%; transition: transform 0.6s var(--ease-brand); }

/* Stats */
.stat-num { font-family: "Manrope", sans-serif; font-size: clamp(2.5rem, 4vw, 3.5rem); font-weight: 700; letter-spacing: -0.02em; color: var(--color-primary); line-height: 1; }

/* FAQ */
details.faq { border-bottom: 1px solid var(--color-line); padding: 1.25rem 0; }
details.faq[open] summary { color: var(--color-primary); }
details.faq summary { cursor: pointer; font-weight: 600; font-size: 1.0625rem; padding-right: 2rem; position: relative; list-style: none; }
details.faq summary::-webkit-details-marker { display: none; }
details.faq summary::after { content: "+"; position: absolute; right: 0; top: 0; font-size: 1.5rem; font-weight: 400; color: var(--color-text-soft); transition: transform 0.2s; }
details.faq[open] summary::after { content: "−"; color: var(--color-primary); }
details.faq p { color: var(--color-text-soft); margin-top: 0.75rem; line-height: 1.65; }

/* Misc */
.divider { height: 1px; background: var(--color-line); }
.gradient-text { background: linear-gradient(135deg, var(--color-primary), var(--color-accent)); -webkit-background-clip: text; background-clip: text; color: transparent; }
.bg-warm { background: var(--color-warm); }

/* Mobile responsiveness polish */
@media (max-width: 640px) {
  /* Blog tables — horizontal scroll instead of overflow */
  .prose-mb table {
    display: block;
    width: 100%;
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
    white-space: nowrap;
  }
  .prose-mb table th,
  .prose-mb table td { white-space: normal; min-width: 110px; }
  /* Cards / forms — slightly tighter padding */
  .card { padding: 1.5rem; }
  /* Eyebrow + display headings — let long words break gracefully */
  .h-display, .h-page, .h-section { word-break: break-word; hyphens: auto; }
  /* CTA banner buttons — stack on smallest screens */
  .btn { width: auto; }
  /* Hero floating badge — also hidden in case some viewports show it */
  .container-x { padding-inline: 1rem; }
}

/* Honor reduced-motion preference */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    transition-duration: 0.01ms !important;
    scroll-behavior: auto !important;
  }
  .reveal { opacity: 1 !important; transform: none !important; }
}

/* Image safety — never overflow container */
img { max-width: 100%; height: auto; }

/* Before / After slider */
.ba-slider {
  position: relative;
  overflow: hidden;
  border-radius: 24px;
  background: var(--color-surface-2);
  user-select: none;
  -webkit-user-select: none;
  cursor: ew-resize;
  --pos: 50%;
  box-shadow: var(--shadow-elev);
}
.ba-slider img.ba-img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  pointer-events: none;
  user-select: none;
  -webkit-user-drag: none;
}
.ba-slider .ba-after {
  clip-path: inset(0 0 0 var(--pos));
  -webkit-clip-path: inset(0 0 0 var(--pos));
}
.ba-slider .ba-handle {
  position: absolute;
  top: 0; bottom: 0;
  left: var(--pos);
  width: 2px;
  background: rgba(255,255,255,0.95);
  transform: translateX(-1px);
  pointer-events: none;
  box-shadow: 0 0 0 1px rgba(15,44,77,0.15), 0 0 24px rgba(0,0,0,0.25);
}
.ba-slider .ba-handle::before {
  content: '';
  position: absolute;
  top: 50%; left: 50%;
  transform: translate(-50%, -50%);
  width: 48px; height: 48px;
  border-radius: 999px;
  background: #fff;
  box-shadow: 0 4px 18px rgba(15,44,77,0.25);
}
.ba-slider .ba-handle::after {
  content: '';
  position: absolute;
  top: 50%; left: 50%;
  transform: translate(-50%, -50%);
  width: 18px; height: 12px;
  background-image:
    linear-gradient(90deg, transparent 0 0%, var(--color-primary) 0% 35%, transparent 35% 65%, var(--color-primary) 65% 100%);
  -webkit-mask: url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 16'><path d='M8 1L1 8l7 7M16 1l7 7-7 7' stroke='black' stroke-width='2.4' fill='none' stroke-linecap='round' stroke-linejoin='round'/></svg>") center/contain no-repeat;
          mask: url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 16'><path d='M8 1L1 8l7 7M16 1l7 7-7 7' stroke='black' stroke-width='2.4' fill='none' stroke-linecap='round' stroke-linejoin='round'/></svg>") center/contain no-repeat;
  background: var(--color-primary);
}
.ba-slider .ba-label {
  position: absolute;
  top: 16px;
  padding: 6px 12px;
  border-radius: 999px;
  background: rgba(11,26,43,0.78);
  color: #fff;
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  pointer-events: none;
  backdrop-filter: blur(6px);
  -webkit-backdrop-filter: blur(6px);
}
.ba-slider .ba-label-before { left: 16px; }
.ba-slider .ba-label-after { right: 16px; background: rgba(43,108,176,0.92); }
.ba-slider:active { cursor: grabbing; }