/* ==========================================================================
   DK ENTERPRISE — Business Growth Marketing
   Custom layer over the Tailwind CDN build. Swiss / International Typographic
   system: pure white, near-black, one teal accent, strict grid, hairline
   rules, Archivo Expanded display. No ornament.
   ========================================================================== */

:root {
  --ease: cubic-bezier(0.3, 0, 0.2, 1);
  --teal: #0BAE95;
}

* { border-color: #DADADA; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  overflow-x: hidden;
  font-size: 16px;
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  font-variant-numeric: tabular-nums;
}

h1, h2, h3 {
  font-family: "Archivo Expanded", "Archivo", system-ui, sans-serif;
  font-weight: 700;
  letter-spacing: -0.02em;
  line-height: 1.02;
  text-wrap: balance;
}
p { text-wrap: pretty; }

::selection { background: #0BAE95; color: #fff; }

/* Skip link ------------------------------------------------------------- */
.skip-link {
  position: absolute;
  left: -999px;
  top: 0;
  z-index: 100;
  background: #0E0E0E;
  color: #fff;
  font-size: 12px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  padding: 10px 18px;
}
.skip-link:focus { left: 16px; top: 16px; }

/* Labels & index numbers -------------------------------------------------- */
.label {
  font-family: "Archivo", sans-serif;
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.16em;
  text-transform: uppercase;
}
.idx {
  font-family: "Archivo Expanded", "Archivo", sans-serif;
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.04em;
  color: var(--teal);
}

.uline {
  box-shadow: inset 0 -0.34em 0 rgba(11, 174, 149, 0.28);
}

/* Faint Swiss column guides (hero) */
.colguides {
  background-image: repeating-linear-gradient(
    to right,
    transparent,
    transparent calc(100% / 12 - 1px),
    #EDEDED calc(100% / 12 - 1px),
    #EDEDED calc(100% / 12)
  );
}

/* ==========================================================================
   Buttons — square, crisp
   ========================================================================== */

.btn {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-family: "Archivo", sans-serif;
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  text-decoration: none;
  padding: 14px 24px;
  border: 1.5px solid var(--ink, #0E0E0E);
  transition: background-color 0.15s var(--ease), color 0.15s var(--ease),
    border-color 0.15s var(--ease);
}
.btn__arrow { transition: transform 0.15s var(--ease); }
.btn:hover .btn__arrow { transform: translateX(4px); }

.btn--ink { background: #0E0E0E; color: #fff; }
.btn--ink:hover { background: var(--teal); border-color: var(--teal); }

.btn--teal { background: var(--teal); color: #fff; border-color: var(--teal); }
.btn--teal:hover { background: #08917C; border-color: #08917C; }

.btn--line { background: transparent; color: #0E0E0E; }
.btn--line:hover { background: #0E0E0E; color: #fff; }

.btn--paper { background: #fff; color: #0E0E0E; border-color: #fff; }
.btn--paper:hover { background: var(--teal); border-color: var(--teal); color: #fff; }

/* ==========================================================================
   Rules
   ========================================================================== */

.hair { height: 1px; background: #DADADA; }
.hair--ink { background: #0E0E0E; }
.hair--paper { background: rgba(255, 255, 255, 0.22); }
.hair--teal { height: 2px; background: var(--teal); }

/* ==========================================================================
   Scroll reveal — quick and precise
   ========================================================================== */

.reveal {
  opacity: 0;
  transform: translateY(8px);
  transition: opacity 0.45s var(--ease), transform 0.45s var(--ease);
  transition-delay: var(--reveal-delay, 0ms);
}
.reveal.is-visible { opacity: 1; transform: none; }

/* ==========================================================================
   FAQ accordion
   ========================================================================== */

.faq-body {
  overflow: hidden;
  max-height: 0;
  transition: max-height 0.35s var(--ease);
}
.faq-item[data-state="open"] .faq-body { max-height: 24rem; }

.faq-sign { position: relative; width: 14px; height: 14px; flex: none; color: #0E0E0E; }
.faq-sign::before,
.faq-sign::after {
  content: "";
  position: absolute;
  left: 50%;
  top: 50%;
  background: currentColor;
  transition: transform 0.25s var(--ease), opacity 0.25s var(--ease);
}
.faq-sign::before { width: 14px; height: 2px; transform: translate(-50%, -50%); }
.faq-sign::after { width: 2px; height: 14px; transform: translate(-50%, -50%); }
.faq-item[data-state="open"] .faq-sign { color: var(--teal); }
.faq-item[data-state="open"] .faq-sign::after { transform: translate(-50%, -50%) scaleY(0); opacity: 0; }
.faq-item[data-state="open"] .faq-q { color: var(--teal); }

/* ==========================================================================
   Forms (black band)
   ========================================================================== */

.field {
  width: 100%;
  background: #171717;
  border: 1.5px solid #333;
  color: #fff;
  font-family: "Archivo", sans-serif;
  font-size: 15px;
  padding: 12px 14px;
  outline: none;
  transition: border-color 0.15s var(--ease);
}
.field::placeholder { color: rgba(255, 255, 255, 0.35); }
.field:focus { border-color: var(--teal); }
.field option { color: #0E0E0E; }
select.field { appearance: none; }
.field-wrap { position: relative; }
.field-wrap::after {
  content: "";
  position: absolute;
  right: 14px;
  top: 50%;
  width: 8px;
  height: 8px;
  border-right: 2px solid var(--teal);
  border-bottom: 2px solid var(--teal);
  transform: translateY(-70%) rotate(45deg);
  pointer-events: none;
}

/* ==========================================================================
   Toast
   ========================================================================== */

.toast {
  position: fixed;
  right: 22px;
  bottom: 22px;
  z-index: 9999;
  display: flex;
  align-items: center;
  gap: 12px;
  background: #0E0E0E;
  color: #fff;
  border: 1.5px solid var(--teal);
  font-size: 13px;
  font-weight: 500;
  padding: 15px 20px;
  transform: translateY(16px);
  opacity: 0;
  transition: transform 0.25s var(--ease), opacity 0.25s var(--ease);
}
.toast.is-shown { transform: none; opacity: 1; }

/* ==========================================================================
   Reduced motion
   ========================================================================== */

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .reveal { opacity: 1; transform: none; transition: none; }
  .btn, .btn__arrow, .faq-sign::before, .faq-sign::after { transition: none; }
}