/* ============================================================
   k3v.build — design tokens
   Dark substrate, violet accent, river-blue secondary.
   ============================================================ */
:root {
  --bg: #0b0d10;
  --bg-2: #11141a;
  --bg-card: rgba(255, 255, 255, 0.018);
  --ink: #f4f5f7;
  --ink-soft: rgba(229, 231, 235, 0.78);
  --ink-mute: #9ca3af;
  --ink-faint: #6b7280;

  --violet: #a78bfa;
  --violet-bright: #c4b5fd;
  --violet-deep: #7c3aed;
  --river: #4a93d8;          /* abstract river-blue */
  --river-soft: rgba(56, 122, 192, 0.55);

  --line: rgba(255, 255, 255, 0.10);
  --line-2: rgba(255, 255, 255, 0.06);

  --font-display: 'Sora', system-ui, sans-serif;
  --font-body: 'Inter', system-ui, sans-serif;
  --font-mono: 'JetBrains Mono', ui-monospace, monospace;

  --maxw: 1120px;
  --ease: cubic-bezier(0.16, 1, 0.3, 1);
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
@media (prefers-reduced-motion: reduce) { html { scroll-behavior: auto; } }

body {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font-family: var(--font-body);
  font-size: 17px;
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
  overflow-x: hidden;
}

a { color: inherit; text-decoration: none; }
a:focus-visible, button:focus-visible {
  outline: 2px solid var(--violet);
  outline-offset: 3px;
  border-radius: 4px;
}

/* ============================================================
   Background field — fixed canvas + rivers + glows
   ============================================================ */
.bg-field {
  position: fixed;
  inset: 0;
  z-index: 0;
  pointer-events: none;
  overflow: hidden;
}
#wave-dots { position: absolute; inset: 0; width: 100%; height: 100%; }
.bg-glow {
  position: absolute;
  border-radius: 50%;
  filter: blur(90px);
}
.bg-glow--a {
  top: -12%; right: -6%;
  width: 52vw; height: 52vw;
  background: radial-gradient(circle, rgba(124, 58, 237, 0.20) 0%, rgba(124, 58, 237, 0) 66%);
  animation: drift-a 26s ease-in-out infinite;
}
.bg-glow--b {
  bottom: -18%; left: -10%;
  width: 46vw; height: 46vw;
  background: radial-gradient(circle, rgba(56, 122, 192, 0.16) 0%, rgba(56, 122, 192, 0) 70%);
  animation: drift-b 32s ease-in-out infinite;
}
.bg-vignette {
  position: absolute;
  inset: 0;
  background: radial-gradient(ellipse 80% 64% at 50% 36%,
    rgba(11, 13, 16, 0) 0%, rgba(11, 13, 16, 0.35) 62%, rgba(11, 13, 16, 0.85) 100%);
}
@keyframes drift-a {
  0%, 100% { transform: translate(0, 0); }
  50% { transform: translate(-4%, 5%); }
}
@keyframes drift-b {
  0%, 100% { transform: translate(0, 0); }
  50% { transform: translate(5%, -4%); }
}
@media (prefers-reduced-motion: reduce) {
  .bg-glow { animation: none; }
}

/* Lightning bolts — hero only, struck + animated in main.js */
.hero-bolts {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  z-index: 0;
  pointer-events: none;
}
.hero-bolts path {
  fill: none;
  stroke-linecap: round;
  stroke-linejoin: round;
  opacity: 0;
}

/* Sky flash — the whole hero brightens for a beat when lightning strikes.
   Breaks out of the hero's max-width so it spans the full viewport width. */
.hero-flash {
  position: absolute;
  top: 0;
  bottom: 0;
  left: 50%;
  width: 100vw;
  transform: translateX(-50%);
  z-index: 0;
  pointer-events: none;
  opacity: 0;
  background: radial-gradient(150% 125% at 50% 8%,
    rgba(212, 218, 255, 0.98) 0%,
    rgba(172, 152, 244, 0.62) 30%,
    rgba(124, 58, 237, 0.28) 55%,
    transparent 82%);
}

/* Sky-writing — violet glowing script struck into the sky by each bolt */
.sky-words { position: absolute; inset: 0; z-index: 0; pointer-events: none; }
.sky-word {
  position: absolute;
  font-family: 'Dancing Script', cursive;
  font-weight: 700;
  font-size: clamp(1.7rem, 4vw, 3.3rem);
  line-height: 1;
  color: #dccdff;
  opacity: 0;
  white-space: nowrap;
  text-shadow:
    0 0 12px rgba(167, 139, 250, 0.9),
    0 0 30px rgba(124, 58, 237, 0.6),
    0 0 64px rgba(124, 58, 237, 0.4);
  will-change: opacity, filter;
}
@media (max-width: 860px) {
  /* On mobile the scattered absolute words become one spread row under the
     CTA: Imagine left, create dead-centered (under the button), Believe right.
     They still render in with the lightning (reveal drives opacity). */
  .sky-words {
    position: static;
    display: grid;
    grid-template-columns: 1fr auto 1fr;
    align-items: center;
    column-gap: 0.6rem;
    margin: 1.9rem 0 0;
    padding: 0 0.4rem;
    z-index: 1;
  }
  .sky-word {
    position: static !important;
    font-size: 1.55rem;
  }
  #sky-imagine { justify-self: start; }
  #sky-create { justify-self: center; }
  #sky-believe { justify-self: end; }
}
@media (prefers-reduced-motion: reduce) {
  .sky-word { opacity: 0.5; }
}

/* ============================================================
   Layout primitives
   ============================================================ */
main { position: relative; z-index: 1; }
.section {
  position: relative;
  max-width: var(--maxw);
  margin: 0 auto;
  padding: 7rem 1.5rem;
}
.section--center { text-align: center; }
.section-head { max-width: 720px; margin-bottom: 3rem; }
.eyebrow {
  margin: 0 0 1rem;
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.24em;
  text-transform: uppercase;
  color: var(--ink-mute);
}
.eyebrow--violet { color: var(--violet); }
.eyebrow--tag {
  font-family: var(--font-mono);
  text-transform: none;
  letter-spacing: 0;
  font-size: 0.82rem;
  color: var(--violet);
}
.eyebrow--tag .br { color: rgba(167, 139, 250, 0.42); }
.section-title {
  margin: 0 0 1rem;
  font-family: var(--font-display);
  font-size: clamp(2rem, 4.4vw, 2.9rem);
  font-weight: 600;
  letter-spacing: -0.03em;
  line-height: 1.05;
}
.section-sub {
  margin: 0;
  max-width: 640px;
  color: var(--ink-soft);
  font-size: 1.075rem;
}
.section-sub.center { margin: 0 auto; }

/* ============================================================
   Nav
   ============================================================ */
.nav {
  position: sticky;
  top: 0;
  z-index: 20;
  display: flex;
  align-items: center;
  justify-content: space-between;
  max-width: var(--maxw);
  margin: 0 auto;
  padding: 1.1rem 1.5rem;
  backdrop-filter: blur(6px);
}
.brand { display: flex; align-items: baseline; gap: 0.5rem; }
.brand-mark {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.4rem;
  letter-spacing: -0.04em;
}
.brand-mark.small { font-size: 1.15rem; }
.brand-3 { color: var(--violet); }
.brand-sub {
  font-size: 11px;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--ink-faint);
}
.nav-links { display: flex; align-items: center; gap: 1.9rem; }
.nav-links a { font-size: 0.92rem; color: var(--ink-soft); transition: color 0.2s; }
.nav-links a:hover { color: var(--ink); }
.nav-cta {
  padding: 0.5rem 1.05rem;
  border: 1px solid var(--line);
  border-radius: 999px;
  color: var(--violet-bright) !important;
}
.nav-cta:hover { border-color: var(--violet); background: rgba(167, 139, 250, 0.08); }
@media (max-width: 720px) {
  .nav-links a:not(.nav-cta) { display: none; }
}

/* ============================================================
   Hero
   ============================================================ */
.hero {
  position: relative;
  max-width: var(--maxw);
  margin: 0 auto;
  padding: 6rem 1.5rem 5rem;
  text-align: center;
}
.hero-inner { position: relative; z-index: 1; max-width: 820px; margin: 0 auto; }
@media (max-width: 640px) {
  .hero { padding: 3rem 1.3rem 3.5rem; }
}
.hero-title {
  margin: 0 0 1.6rem;
  font-family: var(--font-display);
  font-weight: 600;
  font-size: clamp(2.6rem, 7vw, 4.9rem);
  line-height: 1.02;
  letter-spacing: -0.045em;
}
.grad {
  background: linear-gradient(100deg, #8fb6e6 0%, var(--violet) 48%, #e8b9f0 100%);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}
.hero-lede {
  max-width: 600px;
  margin: 0 auto 2.2rem;
  font-size: 1.18rem;
  color: var(--ink-soft);
}
.hero-lede a {
  color: var(--violet-bright);
  border-bottom: 1px solid rgba(196, 181, 253, 0.35);
  transition: border-color 0.2s;
}
.hero-lede a:hover { border-color: var(--violet-bright); }
.hero-cta { display: flex; flex-wrap: wrap; gap: 0.9rem; justify-content: center; }

/* ============================================================
   Buttons
   ============================================================ */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.75rem 1.4rem;
  border-radius: 999px;
  font-size: 0.95rem;
  font-weight: 500;
  transition: transform 0.2s var(--ease), background 0.2s, border-color 0.2s, box-shadow 0.2s;
}
.btn:hover { transform: translateY(-2px); }
.btn-primary {
  background: linear-gradient(180deg, #8f6ef5, var(--violet-deep));
  color: #fff;
  box-shadow: 0 8px 30px -10px rgba(124, 58, 237, 0.7);
}
.btn-primary:hover { box-shadow: 0 14px 38px -12px rgba(124, 58, 237, 0.85); }
.btn-ghost {
  border: 1px solid var(--line);
  color: var(--ink);
}
.btn-ghost:hover { border-color: var(--violet); background: rgba(167, 139, 250, 0.06); }

/* ============================================================
   Capability cards
   ============================================================ */
.cards {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.25rem;
}
@media (max-width: 920px) { .cards { grid-template-columns: 1fr; } }
.cards--services { grid-auto-rows: 1fr; }   /* all six cards uniform height */
.cards--services .card { display: flex; flex-direction: column; }
.cards--services .card p { margin-bottom: 0; }
@media (min-width: 620px) and (max-width: 920px) {
  .cards--services { grid-template-columns: 1fr 1fr; }
}

/* Fractional-CTO engagement band below the services grid */
.engage-band {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1.4rem 2rem;
  flex-wrap: wrap;
  margin-top: 1.25rem;
  padding: 1.6rem 1.9rem;
  border: 1px solid rgba(167, 139, 250, 0.28);
  border-radius: 22px;
  background:
    radial-gradient(ellipse 80% 130% at 0% 0%, rgba(124, 58, 237, 0.10), transparent 60%),
    var(--bg-card);
}
.engage-band-text { max-width: 640px; }
.engage-band h3 {
  margin: 0 0 0.5rem;
  font-family: var(--font-display);
  font-size: 1.2rem; font-weight: 600; letter-spacing: -0.02em;
}
.engage-band p { margin: 0; color: var(--ink-soft); font-size: 1rem; }
.engage-band .btn { flex-shrink: 0; }

/* Orbit — a short violet dash that traces each card's perimeter.
   Hovering anywhere in the
   grid pauses every orbit; the hovered card hides its own and shows
   the corner-bracket hover treatment. */
.orbit {
  position: absolute;
  inset: 2px;
  width: calc(100% - 4px);
  height: calc(100% - 4px);
  overflow: visible;
  pointer-events: none;
  z-index: 1;
}
.orbit-rect {
  fill: none;
  stroke: rgba(167, 139, 250, 0.62);
  stroke-width: 1.5;
  transition: opacity 0.2s;
  animation: border-trace 18s linear infinite;
}
@keyframes border-trace {
  from { stroke-dashoffset: 0; }
  to { stroke-dashoffset: -100; }
}
.cards--services:hover .orbit-rect { animation-play-state: paused; }
.cards--services .card:hover .orbit-rect { opacity: 0; }
@media (prefers-reduced-motion: reduce) {
  .orbit-rect { animation: none; }
}

.card {
  position: relative;
  padding: 1.9rem 1.7rem;
  background: var(--bg-card);
  border: 1px solid var(--line-2);
  border-radius: 22px;
  transition: transform 0.5s var(--ease), border-color 0.4s, background 0.4s;
}
.card:hover {
  transform: translateY(-4px);
  border-color: rgba(167, 139, 250, 0.4);
  background: rgba(167, 139, 250, 0.035);
}
.card h3 {
  margin: 0 0 0.8rem;
  font-family: var(--font-display);
  font-size: 1.3rem;
  font-weight: 600;
  letter-spacing: -0.02em;
}
.card p { margin: 0 0 1.2rem; color: var(--ink-soft); font-size: 1rem; }

/* Corner brackets */
.card-corner {
  position: absolute;
  width: 12px; height: 12px;
  border-color: var(--violet);
  opacity: 0;
  transition: opacity 0.3s;
}
.card:hover .card-corner,
.feature .card-corner { opacity: 0.55; }
.card-corner.tl { top: 10px; left: 10px; border-top: 2px solid; border-left: 2px solid; }
.card-corner.tr { top: 10px; right: 10px; border-top: 2px solid; border-right: 2px solid; }
.card-corner.bl { bottom: 10px; left: 10px; border-bottom: 2px solid; border-left: 2px solid; }
.card-corner.br { bottom: 10px; right: 10px; border-bottom: 2px solid; border-right: 2px solid; }

/* ============================================================
   Feature block (building now)
   ============================================================ */
.section--feature { max-width: 980px; }
.feature {
  position: relative;
  padding: 3rem 2.6rem 3.2rem;
  border: 1px solid rgba(167, 139, 250, 0.28);
  border-radius: 28px;
  background:
    radial-gradient(ellipse 70% 100% at 100% 0%, rgba(124, 58, 237, 0.12), transparent 60%),
    var(--bg-card);
}
@media (max-width: 720px) { .feature { padding: 2.2rem 1.5rem; } }
.feature-marks {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 1.6rem 2.4rem;
  margin: 0.4rem 0 1.6rem;
}
.feature-mark-link {
  display: inline-flex;
  transition: opacity 0.2s, transform 0.2s var(--ease);
}
.feature-mark-link:hover { opacity: 0.82; transform: translateY(-2px); }
/* Both wordmark PNGs are normalized to identical cap height + baseline,
   so a single height matches them exactly. */
.feature-mark { display: block; width: auto; height: 3.4rem; }
@media (max-width: 560px) {
  .feature-mark { height: 2.8rem; }
}
.feature-stealth {
  font-family: var(--font-display);
  font-size: clamp(1.7rem, 4vw, 2.4rem);
  font-weight: 700;
  letter-spacing: -0.03em;
  line-height: 1;
}
.feature-stealth-note {
  align-self: center;
  font-family: var(--font-mono);
  font-size: 0.78rem;
  color: rgba(167, 139, 250, 0.95);
  border: 1px solid rgba(167, 139, 250, 0.4);
  border-radius: 999px;
  padding: 0.22rem 0.7rem;
}
.feature-lede {
  margin: 0 0 1.2rem;
  color: var(--ink-soft);
  font-size: 1.1rem;
}

/* ============================================================
   About prose
   ============================================================ */
.about-prose { max-width: 760px; }
.about-prose p {
  margin: 0 0 1.3rem;
  color: var(--ink-soft);
  font-size: 1.12rem;
}
.about-prose p:last-child { margin-bottom: 0; }

/* ============================================================
   Contact form — glassmorphism
   ============================================================ */
.glass {
  background: rgba(255, 255, 255, 0.045);
  backdrop-filter: blur(18px) saturate(150%);
  -webkit-backdrop-filter: blur(18px) saturate(150%);
  border: 1px solid rgba(255, 255, 255, 0.12);
  box-shadow:
    0 30px 70px -28px rgba(0, 0, 0, 0.65),
    inset 0 1px 0 rgba(255, 255, 255, 0.10);
}
.contact-form {
  max-width: 680px;
  margin: 3rem auto 0;
  padding: 2.2rem;
  border-radius: 26px;
  text-align: left;
}
@media (max-width: 560px) { .contact-form { padding: 1.5rem; } }

.form-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.1rem;
}
@media (max-width: 560px) { .form-grid { grid-template-columns: 1fr; } }
.field { display: flex; flex-direction: column; gap: 0.45rem; }
.field--full { grid-column: 1 / -1; }
.field-label {
  font-size: 0.78rem;
  font-weight: 500;
  letter-spacing: 0.04em;
  color: var(--ink-mute);
}
.field-label em { color: var(--ink-faint); font-style: normal; }

.field input,
.field textarea {
  width: 100%;
  padding: 0.8rem 0.95rem;
  font-family: var(--font-body);
  font-size: 0.98rem;
  color: var(--ink);
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid rgba(255, 255, 255, 0.12);
  border-radius: 12px;
  transition: border-color 0.2s, background 0.2s, box-shadow 0.2s;
  resize: vertical;
}
.field input::placeholder,
.field textarea::placeholder { color: rgba(156, 163, 175, 0.55); }
.field input:focus,
.field textarea:focus {
  outline: none;
  border-color: var(--violet);
  background: rgba(167, 139, 250, 0.06);
  box-shadow: 0 0 0 3px rgba(167, 139, 250, 0.16);
}
.hp { position: absolute; left: -9999px; width: 1px; height: 1px; opacity: 0; }

.form-foot {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 1rem 1.4rem;
  margin-top: 1.4rem;
}
.form-submit { cursor: pointer; border: none; }
.form-submit[disabled] { opacity: 0.6; cursor: progress; }
.form-alt { margin: 0; font-size: 0.88rem; color: var(--ink-mute); }
.form-alt a { color: var(--violet-bright); border-bottom: 1px solid rgba(196, 181, 253, 0.35); }
.form-alt a:hover { border-color: var(--violet-bright); }

.form-status {
  margin: 1rem 0 0;
  font-size: 0.92rem;
  min-height: 1.2em;
}
.form-status.is-ok { color: #6ee7b7; }
.form-status.is-err { color: #fca5a5; }

/* ============================================================
   Footer
   ============================================================ */
.footer {
  position: relative;
  z-index: 1;
  max-width: var(--maxw);
  margin: 0 auto;
  padding: 2.5rem 1.5rem 3rem;
  border-top: 1px solid var(--line-2);
}
.footer-inner {
  display: flex;
  align-items: center;
  gap: 1.2rem;
  flex-wrap: wrap;
}
.footer-spacer { flex: 1; }
.footer-inner a { font-size: 0.9rem; color: var(--ink-soft); transition: color 0.2s; }
.footer-inner a:hover { color: var(--violet-bright); }
.footer-fine {
  margin: 1.4rem 0 0;
  font-size: 0.78rem;
  color: var(--ink-faint);
}

/* ============================================================
   Legal pages (privacy / terms)
   ============================================================ */
.legal-nav { max-width: var(--maxw); margin: 0 auto; padding: 1.4rem 1.5rem; }
.legal { max-width: 760px; margin: 0 auto; padding: 1.5rem 1.5rem 4rem; }
.legal-back { display: inline-block; margin-bottom: 1.6rem; color: var(--ink-mute); font-size: 0.9rem; }
.legal-back:hover { color: var(--ink); }
.legal h1 {
  font-family: var(--font-display);
  font-size: clamp(2rem, 5vw, 2.7rem);
  font-weight: 600; letter-spacing: -0.03em; margin: 0 0 0.4rem;
}
.legal-updated { color: var(--ink-faint); font-size: 0.88rem; margin: 0 0 2.4rem; }
.legal h2 {
  font-family: var(--font-display);
  font-size: 1.2rem; font-weight: 600; margin: 2.2rem 0 0.6rem;
}
.legal p { color: var(--ink-soft); font-size: 1.02rem; line-height: 1.75; margin: 0 0 1rem; }
.legal ul { margin: 0 0 1rem; padding-left: 1.2rem; }
.legal li { color: var(--ink-soft); font-size: 1.02rem; line-height: 1.7; margin-bottom: 0.45rem; }
.legal strong { color: var(--ink); font-weight: 600; }
.legal a { color: var(--violet-bright); border-bottom: 1px solid rgba(196, 181, 253, 0.35); }
.legal a:hover { border-color: var(--violet-bright); }
.legal-foot {
  max-width: 760px; margin: 0 auto; padding: 2rem 1.5rem 3rem;
  border-top: 1px solid var(--line-2);
  display: flex; gap: 1.2rem; flex-wrap: wrap;
  font-size: 0.88rem; color: var(--ink-faint);
}
.legal-foot a { color: var(--ink-mute); }
.legal-foot a:hover { color: var(--violet-bright); }

/* ============================================================
   Scroll reveal
   ============================================================ */
.reveal {
  opacity: 0;
  transform: translateY(26px);
  transition: opacity 0.7s var(--ease), transform 0.7s var(--ease);
}
.reveal.is-visible { opacity: 1; transform: translateY(0); }
@media (prefers-reduced-motion: reduce) {
  .reveal { opacity: 1; transform: none; transition: none; }
}