/* ============================================================================
   Do Kaudi — marketing design system.
   Quiet, institutional, handcrafted. Light field, one accent, hierarchy from
   type + space + optical rhythm. Loaded only on public marketing surfaces
   (home, pricing, security, privacy, login), layered over brand.css tokens.
   ========================================================================== */
:root {
  /* palette (OKLCH, tinted toward the brand hue; never pure #000/#fff) */
  --paper:       oklch(98.6% 0.004 255);
  --paper-2:     oklch(96.9% 0.006 255);
  --paper-3:     oklch(95.0% 0.008 255);
  --card:        oklch(99.5% 0.0015 255);
  --ink:         oklch(25% 0.014 265);
  --ink-2:       oklch(50% 0.014 265);
  --ink-3:       oklch(66% 0.012 265);
  --line:        oklch(25% 0.03 265 / 0.09);
  --line-2:      oklch(25% 0.03 265 / 0.16);
  --accent:      var(--dk-blue, #0b6bcb);
  --accent-deep: oklch(46% 0.14 253);
  --accent-soft: oklch(52% 0.14 253 / 0.10);
  --accent-line: oklch(52% 0.14 253 / 0.24);
  --ok:          oklch(52% 0.12 150);
  --on-accent:   oklch(99% 0.006 255);

  --r-sm: 10px; --r-md: 14px; --r-lg: 20px; --r-xl: 28px; --r-pill: 999px;

  --e1:    0 1px 1px oklch(25% 0.03 265 / 0.04), 0 10px 26px -14px oklch(25% 0.03 265 / 0.20);
  --e2:    0 2px 4px oklch(25% 0.03 265 / 0.05), 0 30px 60px -22px oklch(52% 0.14 253 / 0.24);
  --e-vis: 0 2px 6px oklch(25% 0.03 265 / 0.05), 0 44px 90px -40px oklch(25% 0.06 265 / 0.34);

  --ease:      cubic-bezier(0.16, 1, 0.3, 1);   /* ease-out-expo */
  --ease-soft: cubic-bezier(0.22, 1, 0.36, 1);

  --edge: clamp(1.25rem, 5vw, 3rem);
  --bay:  clamp(5rem, 10vw, 9rem);
}

/* ── page base ─────────────────────────────────────────────────────────── */
.dk-page {
  font-family: var(--dk-font, -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif);
  color: var(--ink);
  background: var(--paper);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  text-rendering: optimizeLegibility;
  font-feature-settings: "kern" 1, "liga" 1, "calt" 1;
  overflow-x: clip;
}
.dk-page ::selection { background: var(--accent-soft); }
.dk-wrap { max-width: 1120px; margin-inline: auto; padding-inline: var(--edge); }
.dk-wrap--narrow { max-width: 760px; }

/* ── typography ────────────────────────────────────────────────────────── */
.dk-eyebrow {
  display: inline-flex; align-items: center; gap: .55rem;
  font-size: .75rem; font-weight: 600; letter-spacing: .13em;
  text-transform: uppercase; color: var(--accent-deep); margin: 0 0 1.1rem;
}
.dk-eyebrow::before { content: ""; width: 1.6rem; height: 1px; background: var(--accent-line); }

.dk-h1 {
  font-size: clamp(2.3rem, 5vw, 3.6rem); font-weight: 600; letter-spacing: -0.03em;
  line-height: 1.03; margin: 0; color: var(--ink); text-wrap: balance;
}
.dk-h2 {
  font-size: clamp(1.85rem, 3.4vw, 2.85rem); font-weight: 600; letter-spacing: -0.022em;
  line-height: 1.08; margin: 0; color: var(--ink); text-wrap: balance;
}
.dk-lead {
  font-size: clamp(1.02rem, 1.35vw, 1.22rem); font-weight: 400; line-height: 1.55;
  color: var(--ink-2); margin: 1.1rem 0 0; max-width: 62ch; text-wrap: pretty;
}

/* ── buttons / links ───────────────────────────────────────────────────── */
.dk-cta {
  display: inline-flex; align-items: center; gap: .5rem; font: inherit; font-size: 1rem;
  font-weight: 550; line-height: 1; padding: .92rem 1.5rem; border: none; border-radius: var(--r-pill);
  background: var(--accent); color: var(--on-accent) !important; text-decoration: none !important;
  cursor: pointer; box-shadow: 0 1px 1px oklch(25% .03 265/.10), 0 12px 24px -12px oklch(52% .14 253/.5);
  transition: transform .3s var(--ease), box-shadow .3s var(--ease), background .2s ease; will-change: transform;
}
.dk-cta:hover { background: var(--dk-blue-hover, #075da9); transform: translateY(-2px);
  box-shadow: 0 2px 3px oklch(25% .03 265/.12), 0 20px 34px -14px oklch(52% .14 253/.6); }
.dk-cta:active { transform: translateY(0); transition-duration: .08s; }
.dk-cta__arrow { transition: transform .3s var(--ease); }
.dk-cta:hover .dk-cta__arrow { transform: translateX(3px); }

.dk-ghost {
  display: inline-flex; align-items: center; gap: .4rem; font-size: 1rem; font-weight: 500;
  color: var(--ink) !important; text-decoration: none !important; padding: .92rem .4rem;
  transition: color .2s ease, gap .3s var(--ease);
}
.dk-ghost:hover { color: var(--accent-deep) !important; gap: .6rem; }

.dk-textlink {
  display: inline-flex; align-items: center; gap: .35rem; font-size: .95rem; font-weight: 550;
  color: var(--accent-deep) !important; text-decoration: none !important; transition: gap .3s var(--ease);
}
.dk-textlink:hover { gap: .6rem; }

/* ── inputs ────────────────────────────────────────────────────────────── */
.dk-field label { display: block; margin-bottom: .5rem; font-size: .875rem; font-weight: 550; color: var(--ink); }
.dk-in {
  width: 100%; font: inherit; font-size: 1rem; color: var(--ink); background: var(--card);
  border: 1px solid var(--line-2); border-radius: var(--r-sm); padding: .85rem 1rem;
  -webkit-appearance: none; appearance: none;
  transition: border-color .2s var(--ease), box-shadow .2s var(--ease), background .2s ease;
}
.dk-in::placeholder { color: var(--ink-3); }
.dk-in:focus { outline: none; border-color: var(--accent); box-shadow: 0 0 0 4px var(--accent-soft); }
textarea.dk-in { resize: vertical; min-height: 96px; }

/* ── prose (security / privacy) ────────────────────────────────────────── */
.dk-prose h2 {
  font-size: clamp(1.25rem, 2vw, 1.55rem); font-weight: 600; letter-spacing: -0.012em;
  color: var(--ink); margin: 2.75rem 0 .75rem; padding-top: 2.25rem; border-top: 1px solid var(--line);
}
.dk-prose h2:first-of-type { border-top: none; padding-top: 0; margin-top: 2.5rem; }
.dk-prose p, .dk-prose li { font-size: 1.05rem; line-height: 1.65; color: var(--ink-2); margin: 0 0 1rem; }
.dk-prose strong { color: var(--ink); font-weight: 600; }
.dk-prose ul { margin: 0 0 1rem; padding: 0; list-style: none; }
.dk-prose li { position: relative; padding-left: 1.6rem; }
.dk-prose li::before {
  content: ""; position: absolute; left: 0; top: .62em; width: .45rem; height: .45rem;
  border-radius: 50%; background: var(--accent-line);
}
.dk-prose a { color: var(--accent-deep) !important; text-decoration: none !important; }
.dk-prose a:hover { text-decoration: underline !important; }
.dk-prose__meta { font-size: .9rem; color: var(--ink-3); margin-top: 2.5rem; }

/* ── pricing cards ─────────────────────────────────────────────────────── */
.dk-price-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: clamp(1rem, 2vw, 1.5rem); align-items: start; text-align: left; }
.dk-plan {
  position: relative; display: flex; flex-direction: column;
  background: var(--card); border: 1px solid var(--line); border-radius: var(--r-lg);
  padding: clamp(1.6rem, 2.5vw, 2.1rem); box-shadow: var(--e1);
  transition: transform .4s var(--ease), box-shadow .4s var(--ease); will-change: transform;
}
.dk-plan:hover { transform: translateY(-4px); box-shadow: var(--e-vis); }
.dk-plan--featured { border-color: var(--accent-line); box-shadow: var(--e2); }
.dk-plan__tag {
  position: absolute; top: -.75rem; left: clamp(1.6rem, 2.5vw, 2.1rem);
  font-size: .7rem; font-weight: 600; letter-spacing: .08em; text-transform: uppercase;
  color: var(--on-accent); background: var(--accent); padding: .3rem .6rem; border-radius: var(--r-pill);
}
.dk-plan__name { font-size: 1.15rem; font-weight: 600; letter-spacing: -0.01em; margin: 0; }
.dk-plan__price { margin: .9rem 0 0; font-size: 2.1rem; font-weight: 600; letter-spacing: -0.02em; font-variant-numeric: tabular-nums; }
.dk-plan__price span { font-size: .95rem; font-weight: 400; color: var(--ink-3); letter-spacing: 0; }
.dk-plan__line { margin: .5rem 0 0; font-size: .95rem; color: var(--ink-2); }
.dk-plan__feats { list-style: none; margin: 1.5rem 0 1.9rem; padding: 0; display: grid; gap: .7rem; flex: 1; }
.dk-plan__feats li { position: relative; padding-left: 1.7rem; font-size: .95rem; line-height: 1.4; color: var(--ink); }
.dk-plan__feats li::before {
  content: ""; position: absolute; left: 0; top: .1em; width: 1.1rem; height: 1.1rem; border-radius: 50%;
  background: var(--accent-soft) url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 12 12' fill='none' stroke='%230b6bcb' stroke-width='1.6' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='M2.5 6.2 5 8.5 9.5 3.5'/%3E%3C/svg%3E") center / 12px no-repeat;
}
.dk-plan__cta {
  text-align: center; font-size: .95rem; font-weight: 550; padding: .8rem 1rem; border-radius: var(--r-sm);
  text-decoration: none !important; transition: background .2s ease, color .2s ease, border-color .2s ease;
  border: 1px solid var(--line-2); color: var(--ink) !important;
}
.dk-plan__cta:hover { border-color: var(--accent-line); color: var(--accent-deep) !important; background: var(--accent-soft); }
.dk-plan--featured .dk-plan__cta { background: var(--accent); color: var(--on-accent) !important; border-color: transparent; }
.dk-plan--featured .dk-plan__cta:hover { background: var(--dk-blue-hover, #075da9); }
@media (max-width: 820px) { .dk-price-grid { grid-template-columns: 1fr; max-width: 26rem; margin-inline: auto; } }

/* ── footer ────────────────────────────────────────────────────────────── */
.dk-foot { border-top: 1px solid var(--line); padding: clamp(2.5rem, 5vw, 3.5rem) 0; background: var(--paper); }
.dk-foot__row { display: flex; align-items: center; justify-content: space-between; gap: 1.5rem; flex-wrap: wrap; }
.dk-foot__brand { display: flex; align-items: center; gap: .6rem; font-weight: 600; letter-spacing: -0.01em; color: var(--ink); }
.dk-foot__brand svg { width: 22px; height: 22px; }
.dk-foot__links { display: flex; gap: 1.6rem; flex-wrap: wrap; }
.dk-foot__links a { font-size: .92rem; color: var(--ink-2) !important; text-decoration: none !important; transition: color .2s ease; }
.dk-foot__links a:hover { color: var(--accent-deep) !important; }
.dk-foot__legal { margin-top: 1.5rem; font-size: .82rem; color: var(--ink-3); }

/* ── motion ────────────────────────────────────────────────────────────── */
.dk-rise { opacity: 0; transform: translateY(20px); }
.dk-rise > * { opacity: 0; transform: translateY(16px);
  transition: opacity .8s var(--ease), transform .8s var(--ease); transition-delay: calc(var(--i, 0) * 80ms); }
.dk-rise.is-in { opacity: 1; transform: none; }
.dk-rise.is-in > * { opacity: 1; transform: none; }
.dk-rise--solo { opacity: 0; transform: translateY(20px); transition: opacity .9s var(--ease), transform .9s var(--ease); }
.dk-rise--solo.is-in { opacity: 1; transform: none; }

@media (prefers-reduced-motion: reduce) {
  .dk-page *, .dk-page *::before, .dk-page *::after { animation: none !important; transition-duration: .01ms !important; }
  .dk-rise, .dk-rise > *, .dk-rise--solo { opacity: 1 !important; transform: none !important; }
}