/* ============================================================
   DSCur — Digital Solutions Curaçao
   Design tokens: deep harbor teal + limestone, one signal accent.
   Motif: zone/grid lines (access-control zones, sensor grids).
   ============================================================ */

:root {
  --ink: #10262a;
  --ink-deep: #071619;
  --ink-soft: #3c5458;
  --paper: #edefea;
  --paper-raised: #f7f8f4;
  --line: #c3ccc4;
  --line-dark: #24444a;
  --signal: #2f8f7a;
  --signal-strong: #1c6d5b;
  --amber: #c98a3b;
  --white: #ffffff;
  --paper-soft: #a8bdb9;
  --error: #a3402a;

  --font-display: "Space Grotesk", "Arial Narrow", sans-serif;
  --font-body: "IBM Plex Sans", "Segoe UI", sans-serif;
  --font-mono: "IBM Plex Mono", monospace;

  --measure: 66ch;
  --radius: 2px;
  --gutter: clamp(1.25rem, 4vw, 3rem);
}

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

body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  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);
  font-weight: 600;
  line-height: 1.08;
  margin: 0 0 0.5em;
  letter-spacing: -0.01em;
}

h1 { font-size: clamp(2.4rem, 5vw, 4rem); }
h2 { font-size: clamp(1.7rem, 3.2vw, 2.5rem); }
h3 { font-size: 1.25rem; }

p { margin: 0 0 1em; max-width: var(--measure); }
a { color: inherit; }

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

.container {
  max-width: 76rem;
  margin: 0 auto;
  padding-left: var(--gutter);
  padding-right: var(--gutter);
}

.skip-link {
  position: absolute;
  top: -3rem;
  left: 1rem;
  z-index: 100;
  background: var(--ink);
  color: var(--paper);
  padding: 0.6rem 1rem;
  border-radius: var(--radius);
  text-decoration: none;
  transition: top 0.15s ease;
}
.skip-link:focus { top: 1rem; }

.visually-hidden {
  position: absolute;
  width: 1px; height: 1px;
  padding: 0; margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

/* focus visibility, kept consistent everywhere */
a:focus-visible,
button:focus-visible,
input:focus-visible,
textarea:focus-visible,
select:focus-visible {
  outline: 2px solid var(--signal);
  outline-offset: 3px;
}

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

.site-header {
  position: sticky;
  top: 0;
  z-index: 40;
  background: var(--paper);
  border-bottom: 1px solid var(--line);
}

.site-header .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 4.5rem;
  gap: 1.5rem;
}

.brand {
  display: flex;
  align-items: center;
  gap: 0.65rem;
  text-decoration: none;
  color: var(--ink);
  flex-shrink: 0;
}

.brand__mark { width: 30px; height: 30px; flex-shrink: 0; }

.brand__name {
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 1.05rem;
  letter-spacing: -0.01em;
  white-space: nowrap;
}

.main-nav {
  display: flex;
  align-items: center;
  gap: 1.75rem;
  flex-wrap: wrap;
}

.main-nav a {
  text-decoration: none;
  font-size: 0.95rem;
  color: var(--ink-soft);
  padding: 0.35rem 0;
  border-bottom: 1px solid transparent;
  transition: color 0.15s ease, border-color 0.15s ease;
}

.main-nav a:hover,
.main-nav a[aria-current="page"] {
  color: var(--ink);
  border-color: var(--signal);
}

.nav-actions { display: flex; align-items: center; gap: 1rem; }

.lang-switch {
  display: flex;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  overflow: hidden;
}

.lang-switch a {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  padding: 0.4rem 0.55rem;
  color: var(--ink-soft);
  text-decoration: none;
  display: inline-block;
}

.lang-switch a + a { border-left: 1px solid var(--line); }
.lang-switch a.is-current { background: var(--ink); color: var(--paper); }

.nav-toggle {
  display: none;
  align-items: center;
  justify-content: center;
  background: none;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  width: 2.4rem;
  height: 2.4rem;
  cursor: pointer;
}

@media (max-width: 860px) {
  .nav-toggle { display: flex; }
  .main-nav {
    position: absolute;
    top: 4.5rem;
    left: 0;
    right: 0;
    background: var(--paper);
    border-bottom: 1px solid var(--line);
    flex-direction: column;
    align-items: flex-start;
    gap: 0;
    padding: 0 var(--gutter);
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.2s ease;
  }
  .main-nav.is-open { max-height: 26rem; padding-bottom: 1rem; }
  .main-nav a { width: 100%; padding: 0.75rem 0; border-bottom: 1px solid var(--line); }
}

@media (max-width: 480px) {
  .site-header .container { gap: 0.5rem; }
  .nav-actions { gap: 0.5rem; }
  .lang-switch a { padding: 0.35rem 0.4rem; font-size: 0.68rem; }
  .nav-actions .btn { padding: 0.6rem 0.8rem; font-size: 0.85rem; }
}

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

.btn {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  font-family: var(--font-body);
  font-weight: 600;
  font-size: 0.95rem;
  padding: 0.8rem 1.4rem;
  border-radius: var(--radius);
  border: 1px solid transparent;
  cursor: pointer;
  text-decoration: none;
  transition: background 0.15s ease, color 0.15s ease, border-color 0.15s ease;
}

.btn--primary { background: var(--ink); color: var(--paper); }
.btn--primary:hover { background: var(--signal-strong); }

.btn--outline { background: transparent; color: var(--ink); border-color: var(--ink); }
.btn--outline:hover { background: var(--ink); color: var(--paper); }

.btn--signal { background: var(--signal-strong); color: var(--white); }
.btn--signal:hover { background: var(--ink); }

.btn-row { display: flex; gap: 0.9rem; flex-wrap: wrap; }

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

.hero {
  border-bottom: 1px solid var(--line);
  overflow: hidden;
}

.hero .container {
  display: grid;
  grid-template-columns: 1.05fr 0.95fr;
  gap: 2.5rem;
  align-items: center;
  padding-top: clamp(2.5rem, 6vw, 4.5rem);
  padding-bottom: clamp(2.5rem, 6vw, 4.5rem);
}

.hero__copy p { color: var(--ink-soft); font-size: 1.08rem; }

.hero__status {
  font-family: var(--font-mono);
  font-size: 0.78rem;
  color: var(--signal-strong);
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  margin-bottom: 1.1rem;
}

.hero__status::before {
  content: "";
  width: 7px; height: 7px;
  background: var(--signal);
  border-radius: 50%;
}

.hero__graphic { position: relative; }
.hero__graphic svg { width: 100%; height: auto; }

@media (max-width: 900px) {
  .hero .container { grid-template-columns: 1fr; }
  .hero__graphic { order: -1; max-width: 22rem; margin: 0 auto; }
}

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

section { padding: clamp(3rem, 7vw, 5.5rem) 0; }

.section--dark {
  background: var(--ink-deep);
  color: var(--paper);
  border-bottom: 1px solid var(--line-dark);
}
.section--dark .section-head p { color: var(--paper-soft); }
.section--dark a { color: var(--paper); }

.section--raised { background: var(--paper-raised); border-bottom: 1px solid var(--line); }
.section--bordered { border-bottom: 1px solid var(--line); }

.section-head {
  max-width: 40rem;
  margin-bottom: 2.75rem;
}
.section-head p { color: var(--ink-soft); }

.section-head--wide { max-width: 54rem; }

/* ---------- Zone map (services) ---------- */

.zone-map {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  grid-auto-flow: dense;
  gap: 1px;
  background: var(--line);
  border: 1px solid var(--line);
}

.zone {
  background: var(--paper-raised);
  padding: 1.9rem 1.7rem;
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
  text-decoration: none;
  color: var(--ink);
  position: relative;
  transition: background 0.15s ease;
}

.zone:hover { background: var(--paper); }

.zone--wide { grid-column: span 2; }

.zone__id {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  color: var(--ink-soft);
}

.zone h2, .zone h3 { font-size: 1.25rem; margin-bottom: 0.1rem; }
.zone p { color: var(--ink-soft); font-size: 0.94rem; margin-bottom: 0; }

.zone__link {
  margin-top: auto;
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--signal-strong);
  padding-top: 0.6rem;
}

@media (max-width: 900px) {
  .zone-map { grid-template-columns: repeat(2, 1fr); }
  .zone--wide { grid-column: span 2; }
}
@media (max-width: 560px) {
  .zone-map { grid-template-columns: 1fr; }
  .zone--wide { grid-column: span 1; }
}

/* ---------- Feature list (service detail pages) ---------- */

.feature-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 2.5rem;
}

.feature-grid h2 { font-size: 1.05rem; margin-bottom: 0.35rem; }
.feature-grid p { font-size: 0.94rem; color: var(--ink-soft); margin-bottom: 0; }

@media (max-width: 760px) {
  .feature-grid { grid-template-columns: 1fr; gap: 2rem; }
}

.split {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 3rem;
  align-items: start;
}
@media (max-width: 860px) {
  .split { grid-template-columns: 1fr; }
}

.spec-list { list-style: none; margin: 0; padding: 0; border-top: 1px solid var(--line); }
.spec-list li {
  display: flex;
  justify-content: space-between;
  gap: 1.5rem;
  padding: 0.85rem 0;
  border-bottom: 1px solid var(--line);
  font-size: 0.95rem;
}
.spec-list .k { color: var(--ink-soft); }
.spec-list .v { text-align: right; font-weight: 600; }
.section--dark .spec-list li,
.section--dark .spec-list { border-color: var(--line-dark); }
.section--dark .spec-list .k { color: var(--paper-soft); }

/* ---------- Horizon (future services) ---------- */

.horizon-list {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1px;
  background: var(--line-dark);
  border: 1px solid var(--line-dark);
}
.horizon-item {
  background: var(--ink-deep);
  padding: 1.5rem 1.7rem;
}
.horizon-item h3 { font-size: 1rem; color: var(--paper); margin-bottom: 0.3rem; }
.horizon-item p { font-size: 0.9rem; color: var(--paper-soft); margin-bottom: 0; }
@media (max-width: 700px) { .horizon-list { grid-template-columns: 1fr; } }

/* ---------- FAQ ---------- */

.faq-list { border-top: 1px solid var(--line); }

.faq-item { border-bottom: 1px solid var(--line); }

.faq-item summary {
  padding: 1.1rem 0;
  font-weight: 600;
  cursor: pointer;
  list-style: none;
  position: relative;
  padding-right: 2rem;
}
.faq-item summary::-webkit-details-marker { display: none; }
.faq-item summary::after {
  content: "+";
  position: absolute;
  right: 0.2rem;
  top: 1.1rem;
  color: var(--signal-strong);
  font-family: var(--font-mono);
}
.faq-item[open] summary::after { content: "−"; }
.faq-item p { color: var(--ink-soft); padding-bottom: 1.1rem; margin: 0; }

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

.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 3.5rem;
}
@media (max-width: 860px) { .contact-grid { grid-template-columns: 1fr; } }

.contact-channel {
  display: flex;
  gap: 1rem;
  padding: 1.1rem 0;
  border-bottom: 1px solid var(--line);
}
.contact-channel:first-child { border-top: 1px solid var(--line); }
.contact-channel .k { font-family: var(--font-mono); font-size: 0.72rem; color: var(--ink-soft); width: 6rem; flex-shrink: 0; padding-top: 0.2rem; }
.contact-channel .v { font-weight: 600; }
.contact-channel .v a { text-decoration: none; }
.contact-channel .v a:hover { color: var(--signal-strong); }

form.contact-form { display: flex; flex-direction: column; gap: 1.1rem; }

.field { display: flex; flex-direction: column; gap: 0.4rem; }
.field label { font-size: 0.85rem; font-weight: 600; }
.field input,
.field select,
.field textarea {
  font-family: var(--font-body);
  font-size: 0.98rem;
  padding: 0.7rem 0.8rem;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--paper-raised);
  color: var(--ink);
}
.field textarea { resize: vertical; min-height: 7rem; }

.form-note { font-size: 0.85rem; color: var(--ink-soft); }
.form-status { font-size: 0.9rem; font-weight: 600; min-height: 1.2em; }
.form-status[data-state="ok"] { color: var(--signal-strong); }
.form-status[data-state="error"] { color: var(--error); }

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

.site-footer {
  background: var(--ink-deep);
  color: var(--paper-soft);
  font-size: 0.88rem;
}
.site-footer .container {
  padding-top: 2.75rem;
  padding-bottom: 2.75rem;
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr;
  gap: 2.5rem;
}
.site-footer .brand__name,
.site-footer .brand__mark { color: var(--paper); }
.site-footer a { text-decoration: none; }
.site-footer a:hover { color: var(--paper); }
.footer-col h3 { font-family: var(--font-body); font-size: 0.78rem; color: var(--paper); margin-bottom: 0.9rem; font-weight: 600; }
.footer-col ul { list-style: none; margin: 0; padding: 0; display: flex; flex-direction: column; gap: 0.55rem; }
.footer-bottom {
  border-top: 1px solid var(--line-dark);
  padding: 1.1rem var(--gutter);
  font-family: var(--font-mono);
  font-size: 0.72rem;
  display: flex;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 0.5rem;
}

@media (max-width: 760px) {
  .site-footer .container { grid-template-columns: 1fr; gap: 2rem; }
}

/* ---------- Page intro (inner pages) ---------- */

.page-intro {
  border-bottom: 1px solid var(--line);
  padding: clamp(2.5rem, 6vw, 4rem) 0 clamp(2rem, 5vw, 3rem);
}
.page-intro__eyebrow {
  font-family: var(--font-mono);
  font-size: 0.78rem;
  color: var(--signal-strong);
  margin-bottom: 0.8rem;
}
.page-intro p { color: var(--ink-soft); font-size: 1.05rem; }

/* Single orchestrated entrance for the hero only */
.reveal {
  opacity: 0;
  transform: translateY(10px);
}
.reveal.is-in {
  animation: reveal-in 0.6s ease forwards;
}
@keyframes reveal-in {
  to { opacity: 1; transform: translateY(0); }
}