/* ---------- Reset ---------- */
*, *::before, *::after { margin: 0; padding: 0; box-sizing: border-box; }

/* ---------- Variables ---------- */
:root {
  --bg:        #000000;
  --border:    rgba(255, 255, 255, 0.08);
  --border-hi: rgba(255, 255, 255, 0.14);

  --t1: rgba(255, 255, 255, 0.94);
  --t2: rgba(255, 255, 255, 0.50);
  --t3: rgba(255, 255, 255, 0.24);

  --lime: #c4fb50;

  --font-display: 'Space Grotesk', -apple-system, sans-serif;
  --font-body:    'Inter', -apple-system, sans-serif;
  --font-mono:    'SF Mono', 'Fira Code', monospace;

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

/* ---------- Subtle section alternation ---------- */
.section--dim {
  --bg: #0a0a0a;
  background-color: #0a0a0a;
}

/* ---------- Base ---------- */
html { scroll-behavior: smooth; }

body {
  font-family: var(--font-body);
  background-color: var(--bg);
  background-image:
    linear-gradient(rgba(255,255,255,0.035) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,0.035) 1px, transparent 1px);
  background-size: 64px 64px;
  color: var(--t2);
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

::selection { background: var(--lime); color: #000; }
::-webkit-scrollbar { width: 3px; }
::-webkit-scrollbar-track { background: var(--bg); }
::-webkit-scrollbar-thumb { background: rgba(255,255,255,0.10); border-radius: 2px; }

h1, h2, h3 {
  font-family: var(--font-display);
  font-weight: 700;
  color: var(--t1);
  line-height: 1.08;
  letter-spacing: -0.03em;
}

p { color: var(--t2); line-height: 1.7; }
a { text-decoration: none; color: inherit; }
ul { list-style: none; }
img { max-width: 100%; display: block; }
button { font: inherit; }

.container {
  max-width: var(--container);
  margin: 0 auto;
  padding: 0 32px;
}

section { padding: 120px 0; }
.text-lime { color: var(--lime); }

/* ---------- Scroll progress ---------- */
.scroll-progress {
  position: absolute;
  bottom: -1px; left: 0;
  height: 1px; width: 0%;
  background: var(--lime);
  transition: width 0.08s linear;
  z-index: 1;
  pointer-events: none;
}

/* ---------- Custom cursor ---------- */
@media (pointer: fine) {
  body, a, button, [role="button"] { cursor: none; }
  #cursor { position: fixed; top: 0; left: 0; pointer-events: none; z-index: 9999; }
  .cursor__dot {
    position: absolute;
    width: 6px; height: 6px;
    border-radius: 50%;
    background: var(--lime);
    transform: translate(-50%,-50%);
    transition: width 0.2s var(--ease), height 0.2s var(--ease);
    will-change: transform;
  }
  .cursor__ring {
    position: absolute;
    width: 30px; height: 30px;
    border-radius: 50%;
    border: 1px solid rgba(196,251,80,0.40);
    transform: translate(-50%,-50%);
    transition: width 0.3s var(--ease), height 0.3s var(--ease), border-color 0.3s ease;
    will-change: transform;
  }
  body.cursor-hover .cursor__dot { width: 10px; height: 10px; }
  body.cursor-hover .cursor__ring { width: 46px; height: 46px; border-color: var(--lime); }
  body.cursor-hidden .cursor__dot, body.cursor-hidden .cursor__ring { opacity: 0; }
}

/* ---------- Scroll reveal ---------- */
[data-reveal] {
  opacity: 0;
  transform: translateY(20px);
  transition: opacity 0.8s var(--ease), transform 0.8s var(--ease);
  transition-delay: calc(var(--reveal-delay, 0) * 100ms);
}
[data-reveal].is-visible { opacity: 1; transform: none; }
@media (prefers-reduced-motion: reduce) {
  [data-reveal] { opacity: 1; transform: none; transition: none; }
}

/* ---------- Pulse dot ---------- */
.pulse-dot {
  position: relative;
  width: 6px; height: 6px;
  border-radius: 50%;
  background: var(--lime);
  flex-shrink: 0;
}
.pulse-dot::after {
  content: '';
  position: absolute;
  inset: 0;
  border-radius: 50%;
  background: var(--lime);
  animation: pulse 2.2s ease-out infinite;
}
@keyframes pulse {
  0%   { transform: scale(1); opacity: 0.7; }
  100% { transform: scale(3.5); opacity: 0; }
}

/* ---------- Section label ---------- */
.section-label {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--t2);
  display: block;
  margin-bottom: 18px;
}

/* ---------- Section header ---------- */
.section-header { margin-bottom: 64px; }
.section-header h2 { font-size: clamp(30px, 3.8vw, 52px); }
.section-header__sub {
  font-size: 15px;
  color: var(--t2);
  margin-top: 14px;
  max-width: 480px;
  line-height: 1.7;
}

/* ---------- Buttons ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  font-family: var(--font-body);
  font-size: 14px;
  font-weight: 600;
  border-radius: 3px;
  border: 1px solid transparent;
  cursor: pointer;
  transition: transform 0.18s var(--ease), background 0.2s ease, border-color 0.2s ease, color 0.2s ease;
  white-space: nowrap;
}
.btn--sm  { padding: 8px 16px; font-size: 13px; }
.btn--lg  { padding: 13px 26px; }
.btn--block { width: 100%; }

.btn--primary {
  background: #fff;
  color: #000;
  border-color: #fff;
  font-weight: 700;
}
.btn--primary:hover {
  background: var(--lime);
  border-color: var(--lime);
  color: #000;
}

.btn--ghost {
  background: transparent;
  color: var(--t1);
  border-color: var(--border-hi);
}
.btn--ghost:hover {
  border-color: rgba(255,255,255,0.3);
}

/* ---------- Navbar ---------- */
.navbar {
  position: sticky;
  top: 0; z-index: 100;
  background: rgba(0, 0, 0, 0.85);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--border);
  transition: border-color 0.3s ease;
}
.navbar.is-scrolled { border-bottom-color: var(--border-hi); }

.navbar__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 60px;
}
.navbar__logo {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 13px;
  color: var(--lime);
  letter-spacing: 0.16em;
  text-transform: uppercase;
}
.navbar__mark {
  width: 22px; height: 22px;
  display: block;
  flex-shrink: 0;
}
.navbar__nav { display: flex; gap: 28px; }
.navbar__nav a {
  font-size: 13.5px;
  font-weight: 500;
  color: var(--t2);
  transition: color 0.15s ease;
}
.navbar__nav a:hover { color: var(--t1); }
.navbar__actions { display: flex; align-items: center; gap: 10px; }

.navbar__toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 6px;
}
.navbar__toggle span { width: 20px; height: 1.5px; background: var(--t1); border-radius: 1px; }

/* ---------- Hero headline stagger ---------- */
.hero__line {
  display: inline-block;
  clip-path: inset(0 0 110% 0);
  transition: clip-path 0.9s var(--ease);
  transition-delay: calc(var(--li) * 140ms + 60ms);
}
.hero__headline.is-animated .hero__line { clip-path: inset(0 0 0% 0); }

/* ---------- Hero ---------- */
.hero {
  min-height: 100svh;
  display: flex;
  flex-direction: column;
  justify-content: center;
  text-align: center;
  padding: 100px 0 0;
  position: relative;
}

.hero::before {
  content: '';
  position: absolute;
  inset: 0;
  background: radial-gradient(ellipse 80% 60% at 50% 40%, rgba(0,0,0,0.92) 0%, transparent 100%);
  pointer-events: none;
  z-index: 0;
}

.hero .container { position: relative; z-index: 1; }
.hero__strip      { position: relative; z-index: 1; }
.hero__scroll     { position: relative; z-index: 1; }

.hero__headline {
  font-size: clamp(42px, 6.8vw, 90px);
  line-height: 1.03;
  letter-spacing: -0.04em;
  color: var(--t1);
  margin-bottom: 28px;
  font-weight: 700;
}

.hero__sub {
  font-size: 16px;
  line-height: 1.75;
  color: var(--t2);
  max-width: 520px;
  margin: 0 auto 36px;
}

.hero__actions {
  display: flex;
  gap: 12px;
  justify-content: center;
  flex-wrap: wrap;
}

/* ---------- Hero benefit strip ---------- */
.hero__strip {
  width: 100%;
  overflow: hidden;
  border-top: 1px solid var(--border);
  padding: 16px 0;
  margin-top: 72px;
  position: relative;
  z-index: 1;
  mask-image: linear-gradient(90deg, transparent, #000 10%, #000 90%, transparent);
  -webkit-mask-image: linear-gradient(90deg, transparent, #000 10%, #000 90%, transparent);
}
.hero__strip-track {
  display: flex;
  width: max-content;
  animation: strip-scroll 40s linear infinite;
}
.hero__strip-item {
  display: inline-flex;
  align-items: center;
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: 0.13em;
  text-transform: uppercase;
  color: var(--lime);
  white-space: nowrap;
  padding: 0 16px;
}
.hero__strip-item::before {
  content: '/';
  color: rgba(196,251,80,0.55);
  margin-right: 16px;
}
@keyframes strip-scroll {
  from { transform: translateX(0); }
  to   { transform: translateX(-50%); }
}

/* Hero scroll hint */
.hero__scroll {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 10px;
  padding: 24px 0;
  position: relative;
  z-index: 1;
}
.hero__scroll span {
  font-family: var(--font-mono);
  font-size: 9px;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--t2);
}
.hero__scroll::after {
  content: '';
  width: 1px; height: 36px;
  background: linear-gradient(var(--t3), transparent);
  animation: scroll-hint 1.8s ease-in-out infinite;
}
@keyframes scroll-hint {
  0%, 100% { opacity: 1; }
  50%       { opacity: 0.3; }
}

/* ---------- Trust strip ---------- */
.trust {
  padding: 44px 0;
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
}
.trust__header { margin-bottom: 28px; }
.trust__desc { font-size: 13px; color: var(--t2); margin-top: 4px; }
.trust__row { display: flex; align-items: center; gap: 24px; }
.trust__row + .trust__row { margin-top: 16px; }
.trust__label {
  font-family: var(--font-mono);
  font-size: 9.5px;
  letter-spacing: 0.13em;
  text-transform: uppercase;
  color: var(--t2);
  white-space: nowrap;
  flex-shrink: 0;
  width: 80px;
}
.trust__marquee {
  flex: 1; overflow: hidden;
  mask-image: linear-gradient(90deg, transparent, #000 6%, #000 94%, transparent);
  -webkit-mask-image: linear-gradient(90deg, transparent, #000 6%, #000 94%, transparent);
}
.trust__track {
  display: flex;
  align-items: center;
  width: max-content;
  animation: strip-scroll 30s linear infinite;
}
.trust__track--reverse { animation-direction: reverse; animation-duration: 24s; }
.trust__marquee:hover .trust__track { animation-play-state: paused; }
.trust__track span {
  font-size: 13px;
  font-weight: 500;
  color: var(--lime);
  padding: 4px 18px;
  white-space: nowrap;
  transition: color 0.2s ease;
}
.trust__track span:hover { color: var(--t1); }
.trust__sep { color: var(--t2) !important; padding: 0 !important; font-weight: 400 !important; }

/* ---------- Partners / Logos ---------- */
.logos { padding: 56px 0; border-top: 1px solid var(--border); border-bottom: 1px solid var(--border); }
.logos__header { margin-bottom: 32px; }
.logos__desc { font-size: 13px; color: var(--t2); margin-top: 4px; }
.logos__row { display: flex; align-items: center; gap: 24px; }
.logos__row + .logos__row { margin-top: 20px; }
.logos__label {
  font-family: var(--font-mono);
  font-size: 9.5px;
  letter-spacing: 0.13em;
  text-transform: uppercase;
  color: var(--t2);
  white-space: nowrap;
  flex-shrink: 0;
  width: 80px;
}
.logos__marquee {
  flex: 1;
  overflow: hidden;
  mask-image: linear-gradient(90deg, transparent, #000 6%, #000 94%, transparent);
  -webkit-mask-image: linear-gradient(90deg, transparent, #000 6%, #000 94%, transparent);
}
.logos__track {
  display: flex;
  align-items: center;
  width: max-content;
  animation: strip-scroll 50s linear infinite;
}
.logos__track--reverse { animation-direction: reverse; animation-duration: 35s; }
.logos__marquee:hover .logos__track { animation-play-state: paused; }
.logos__item {
  display: inline-flex;
  align-items: center;
  padding: 4px 20px;
  white-space: nowrap;
}
.logos__item img {
  width: 40px;
  height: 40px;
  object-fit: contain;
  border-radius: 6px;
  flex-shrink: 0;
}

/* ---------- Hairline grid ---------- */
.hairline-grid {
  display: grid;
  gap: 1px;
  background: var(--border);
  border: 1px solid var(--border);
  border-radius: 4px;
  overflow: hidden;
}
.grid-cell {
  --cx: 0; --cy: 0;
  background: var(--bg);
  transition: background 0.2s ease;
}
/* Restore reveal transitions overridden by the background transition above */
.grid-cell[data-reveal] {
  transition:
    opacity  0.8s var(--ease) calc(var(--reveal-delay, 0) * 100ms),
    transform 0.8s var(--ease) calc(var(--reveal-delay, 0) * 100ms),
    background 0.2s ease;
}
.grid-cell:hover { background: rgba(255,255,255,0.02); }
.grid-cell > * {
  transform: translate(calc(var(--cx)*1px), calc(var(--cy)*1px));
  transition: transform 0.35s ease;
}

/* ---------- Problem section ---------- */
.problem { border-top: 1px solid var(--border); border-bottom: 1px solid var(--border); }
.problem__grid { grid-template-columns: repeat(2, 1fr); }

.problem-card {
  padding: 48px 40px;
  position: relative;
  overflow: hidden;
}
.problem-card__ghost {
  font-family: var(--font-display);
  font-size: 128px;
  font-weight: 700;
  line-height: 1;
  color: rgba(255,255,255,0.025);
  position: absolute;
  bottom: -16px; right: 10px;
  letter-spacing: -0.06em;
  user-select: none;
  pointer-events: none;
  transition: color 0.4s ease;
}
.problem-card:hover .problem-card__ghost { color: rgba(196,251,80,0.04); }
.problem-card__num {
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: 0.14em;
  color: var(--lime);
  margin-bottom: 24px;
  display: block;
}
.problem-card h3 { font-size: 18px; margin-bottom: 12px; }
.problem-card p  { font-size: 13.5px; color: var(--t2); line-height: 1.7; max-width: 360px; position: relative; z-index: 1; }

/* ---------- Capabilities (6 cards with [01]-[06]) ---------- */
.capabilities { border-bottom: 1px solid var(--border); }
.cap-grid { grid-template-columns: repeat(3, 1fr); }

.cap-card { padding: 36px 32px; display: flex; flex-direction: column; gap: 14px; }
.cap-num {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.06em;
  color: var(--t2);
  font-weight: 600;
}
.cap-card h3 { font-size: 16px; font-weight: 600; letter-spacing: -0.02em; }
.cap-card p  { font-size: 13px; color: var(--t2); line-height: 1.65; }
.cap-card__label {
  font-family: var(--font-mono);
  font-size: 10.5px;
  letter-spacing: 0.04em;
  color: var(--lime) !important;
  margin-bottom: -4px !important;
}
.cap-card__list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 0;
  margin-top: 4px;
  border-top: 1px solid var(--border);
  padding-top: 14px;
}
.cap-card__list li {
  font-family: var(--font-mono);
  font-size: 10.5px;
  color: var(--t2);
  letter-spacing: 0.02em;
  padding: 5px 0;
  border-bottom: 1px solid var(--border);
}
.cap-card__list li::before { content: '—  '; color: var(--t2); }

/* ---------- Circuit grid background pattern (capabilities + approach) ---------- */
.capabilities,
.approach {
  background-image: url("data:image/svg+xml,%3Csvg width='60' height='60' xmlns='http://www.w3.org/2000/svg'%3E%3Cline x1='60' y1='0' x2='60' y2='60' stroke='%23c4fb50' stroke-opacity='.07' stroke-width='.8'/%3E%3Cline x1='0' y1='60' x2='60' y2='60' stroke='%23c4fb50' stroke-opacity='.07' stroke-width='.8'/%3E%3Ccircle cx='60' cy='60' r='2' fill='%23c4fb50' fill-opacity='.14'/%3E%3Ccircle cx='30' cy='30' r='1.2' fill='%23c4fb50' fill-opacity='.09'/%3E%3C/svg%3E");
  background-size: 60px 60px;
}

/* ---------- Approach (process) ---------- */
.approach { border-bottom: 1px solid var(--border); }
.approach__grid { grid-template-columns: repeat(3, 1fr); }
.approach__grid--4 { grid-template-columns: repeat(4, 1fr); }

.approach-step { padding: 44px 32px; }
.approach-step__num {
  display: block;
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--lime);
  margin-bottom: 24px;
}
.approach-step h3 { font-size: 16px; margin-bottom: 12px; }
.approach-step p  { font-size: 13px; color: var(--t2); line-height: 1.65; }
.approach-step__list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 0;
  margin-top: 16px;
  border-top: 1px solid var(--border);
  padding-top: 14px;
}
.approach-step__list li {
  font-family: var(--font-mono);
  font-size: 10.5px;
  color: var(--t2);
  letter-spacing: 0.02em;
  padding: 5px 0;
  border-bottom: 1px solid var(--border);
}
.approach-step__list li::before { content: '—  '; }

/* ---------- Metrics ---------- */
.metrics { padding: 80px 0; border-bottom: 1px solid var(--border); }
.metrics__inner { display: flex; align-items: stretch; }
.metrics__div { width: 1px; background: var(--border); flex-shrink: 0; }
.metric-item { flex: 1; display: flex; flex-direction: column; gap: 10px; padding: 0 44px; }
.metric-item:first-child { padding-left: 0; }
.metric-item:last-child  { padding-right: 0; }
.metric-item__val {
  display: block;
  font-family: var(--font-display);
  font-size: clamp(38px, 5vw, 58px);
  font-weight: 700;
  letter-spacing: -0.04em;
  color: var(--t1);
  line-height: 1;
}
.metric-item__label {
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--t2);
}

/* ---------- Tech visual / Terminal ---------- */
.tech-visual { border-bottom: 1px solid var(--border); }
.tech-visual__inner {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 80px;
  align-items: center;
}
.tech-visual__desc { font-size: 15px; color: var(--t2); margin: 16px 0 32px; line-height: 1.7; }

.tech-list { display: flex; flex-direction: column; gap: 0; }
.tech-list li {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  font-size: 14px;
  color: var(--t2);
  padding: 14px 0;
  border-bottom: 1px solid var(--border);
}
.tech-list li:first-child { border-top: 1px solid var(--border); }
.tech-list__check {
  flex-shrink: 0;
  width: 18px; height: 18px;
  border-radius: 50%;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-size: 9px;
  font-weight: 700;
  background: rgba(196,251,80,0.08);
  color: var(--lime);
  border: 1px solid rgba(196,251,80,0.18);
  margin-top: 1px;
}

.terminal {
  background: #0d0d0d;
  border: 1px solid var(--border);
  border-radius: 6px;
  overflow: hidden;
  font-family: var(--font-mono);
}
.terminal__header {
  display: flex;
  align-items: center;
  gap: 7px;
  padding: 12px 16px;
  background: rgba(255,255,255,0.025);
  border-bottom: 1px solid var(--border);
}
.terminal__dot { width: 10px; height: 10px; border-radius: 50%; flex-shrink: 0; }
.terminal__dot:nth-child(1) { background: rgba(255,95,87,0.60); }
.terminal__dot:nth-child(2) { background: rgba(255,189,46,0.60); }
.terminal__dot:nth-child(3) { background: rgba(40,201,64,0.60); }
.terminal__title { margin-left: 8px; font-size: 10px; color: var(--t2); letter-spacing: 0.07em; }
.terminal__body { padding: 22px 18px; }
.terminal__line { font-size: 12px; line-height: 2.2; color: var(--t2); display: block; }
.terminal__prompt { color: var(--lime); margin-right: 10px; }
.terminal__success { color: rgba(196, 251, 80, 0.80); }
.terminal__dim { color: var(--t2); }
.terminal__cursor {
  display: inline-block;
  width: 7px; height: 12px;
  background: var(--lime);
  vertical-align: text-bottom;
  animation: blink 1.2s step-end infinite;
}
@keyframes blink { 0%, 100% { opacity: 1; } 50% { opacity: 0; } }

/* ---------- Security ---------- */
.security { border-bottom: 1px solid var(--border); }
.security__inner { display: grid; grid-template-columns: 1fr 1fr; gap: 80px; align-items: start; }
.security__note {
  margin-top: 20px;
  font-size: 12px;
  color: var(--t2);
  line-height: 1.6;
  border-left: 2px solid var(--border-hi);
  padding-left: 12px;
  font-style: italic;
}
.security__badges {
  display: grid;
  grid-template-columns: 1fr 1fr;
  padding-top: 8px;
  border-top: 1px solid var(--border);
}
.badge {
  display: flex;
  align-items: center;
  gap: 14px;
  padding: 16px 0;
  border-bottom: 1px solid var(--border);
  color: var(--t2);
  font-size: 14px;
  font-weight: 500;
  cursor: default;
  transition: color 0.15s ease;
}
.badge svg { color: var(--t2); flex-shrink: 0; transition: color 0.15s ease; }
.badge:hover { color: var(--t1); }
.badge:hover svg { color: var(--lime); }

/* ---------- Why Vrikalytics ---------- */
.why-section { border-bottom: 1px solid var(--border); }
.why-grid { grid-template-columns: repeat(2, 1fr); gap: 0; }
.why-card {
  padding: 44px 40px;
  display: flex;
  flex-direction: column;
  gap: 14px;
  border-bottom: 1px solid var(--border);
}
.why-card:nth-child(even) { border-left: 1px solid var(--border); }
.why-card h3 { font-size: 16px; font-weight: 600; letter-spacing: -0.02em; }
.why-card p  { font-size: 13.5px; color: var(--t2); line-height: 1.75; }

/* ---------- FAQ ---------- */
.faq { border-bottom: 1px solid var(--border); }
.faq__inner { max-width: var(--container); }
.faq__inner > header { margin-bottom: 48px; }
.faq__grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0 56px;
}
.faq__col { border-top: 1px solid var(--border); }
.accordion__item { border-bottom: 1px solid var(--border); }
.accordion__trigger {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  background: none;
  border: none;
  text-align: left;
  font-family: var(--font-display);
  font-size: 15px;
  font-weight: 600;
  letter-spacing: -0.02em;
  color: var(--t1);
  padding: 20px 0;
  cursor: pointer;
  transition: color 0.15s ease;
}
.accordion__trigger:hover { color: var(--lime); }
.accordion__icon {
  flex-shrink: 0;
  position: relative;
  width: 22px; height: 22px;
  border-radius: 50%;
  border: 1px solid var(--border-hi);
  transition: border-color 0.2s ease, transform 0.3s var(--ease);
}
.accordion__icon::before, .accordion__icon::after {
  content: '';
  position: absolute;
  top: 50%; left: 50%;
  background: var(--t2);
  border-radius: 1px;
  transition: transform 0.25s ease, background 0.2s ease;
}
.accordion__icon::before { width: 8px; height: 1px; transform: translate(-50%,-50%); }
.accordion__icon::after  { width: 1px; height: 8px; transform: translate(-50%,-50%); }
.accordion__item.is-open .accordion__icon { border-color: var(--lime); transform: rotate(45deg); }
.accordion__item.is-open .accordion__icon::before,
.accordion__item.is-open .accordion__icon::after { background: var(--lime); }
.accordion__panel { max-height: 0; overflow: hidden; transition: max-height 0.35s var(--ease); }
.accordion__panel p { padding-bottom: 20px; font-size: 14px; max-width: 580px; }

/* ---------- CTA / Contact section ---------- */
.cta-section { border-bottom: 1px solid var(--border); }
.cta-section__inner {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 96px;
  align-items: start;
}
.cta-section__left p { font-size: 15px; margin-top: 14px; color: var(--t2); line-height: 1.7; }
.cta-section__left h2 { font-size: clamp(28px, 3.5vw, 46px); margin-top: 8px; }

.contact__form {
  border: 1px solid var(--border);
  border-radius: 6px;
  padding: 36px;
  background: rgba(255, 255, 255, 0.02);
}
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; }
.form-group { margin-bottom: 14px; }
.form-group label {
  display: block;
  font-family: var(--font-mono);
  font-size: 10px;
  font-weight: 500;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--t2);
  margin-bottom: 8px;
}
.form-group input,
.form-group select,
.form-group textarea {
  width: 100%;
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid var(--border);
  border-radius: 3px;
  padding: 11px 13px;
  font-family: var(--font-body);
  font-size: 14px;
  color: var(--t1);
  outline: none;
  transition: border-color 0.2s ease;
  -webkit-appearance: none;
  appearance: none;
}
.form-group select option { background: #0d0d0d; }
.form-group input::placeholder,
.form-group textarea::placeholder { color: var(--t2); }
.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus { border-color: var(--border-hi); }
.form-group textarea { resize: vertical; }

.form-success {
  display: none;
  margin-top: 14px;
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--lime);
  text-align: center;
  letter-spacing: 0.04em;
}
.form-success.is-visible { display: block; animation: fade-up 0.4s var(--ease); }
@keyframes fade-up { from { opacity: 0; transform: translateY(6px); } to { opacity: 1; transform: none; } }

/* ---------- Splash screen ---------- */
.splash-active { overflow: hidden; }
.splash {
  position: fixed;
  inset: 0;
  z-index: 9999;
  background: #000;
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 1;
  transition: opacity 0.6s ease;
}
.splash.is-out { opacity: 0; pointer-events: none; }
.splash__logo {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 20px;
}
.splash__mark {
  width: 72px;
  height: 72px;
}
.mark-diamond {
  stroke-dasharray: 30;
  stroke-dashoffset: 30;
  animation: splash-draw 0.65s cubic-bezier(0.4,0,0.2,1) forwards 0.15s;
}
.mark-inner {
  opacity: 0;
  animation: splash-fade 0.4s ease forwards 0.6s;
}
.splash__wordmark {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 15px;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--lime);
  opacity: 0;
  transform: translateY(6px);
  animation: splash-rise 0.5s ease forwards 0.75s;
}
@keyframes splash-draw   { to { stroke-dashoffset: 0; } }
@keyframes splash-fade   { to { opacity: 1; } }
@keyframes splash-rise   { to { opacity: 1; transform: translateY(0); } }

/* ---------- Legal pages ---------- */
.legal { padding: 140px 0 100px; min-height: 80vh; }
.legal__inner { max-width: 720px; }
.legal__header { margin-bottom: 56px; border-bottom: 1px solid var(--border); padding-bottom: 40px; }
.legal__header h1 { font-size: clamp(2rem, 4vw, 2.75rem); margin: 8px 0 16px; }
.legal__meta { font-size: 13px; color: var(--t2); }
.legal__body h2 {
  font-family: var(--font-display);
  font-size: 1rem;
  font-weight: 600;
  color: var(--t1);
  margin: 40px 0 12px;
  letter-spacing: 0.01em;
}
.legal__body h3 {
  font-family: var(--font-display);
  font-size: 0.8125rem;
  font-weight: 600;
  color: var(--lime);
  margin: 28px 0 10px;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}
.legal__body p { font-size: 14px; line-height: 1.8; color: var(--t2); margin-bottom: 16px; }
.legal__body ul { list-style: none; margin: 0 0 16px 0; padding-left: 0; }
.legal__body ul li {
  font-size: 14px;
  line-height: 1.8;
  color: var(--t2);
  margin-bottom: 6px;
  padding-left: 20px;
  position: relative;
}
.legal__body ul li::before {
  content: '–';
  position: absolute;
  left: 0;
  color: var(--t2);
}
.legal__body a { color: var(--lime); text-decoration: none; }
.legal__body a:hover { text-decoration: underline; }
.legal__body strong { color: var(--t1); font-weight: 600; }

/* ---------- Cookie banner ---------- */
.cookie-banner {
  position: fixed;
  bottom: 0; left: 0; right: 0;
  z-index: 900;
  background: #111;
  border-top: 1px solid var(--border);
  padding: 18px 0;
  transform: translateY(100%);
  transition: transform 0.45s var(--ease);
}
.cookie-banner.is-visible { transform: translateY(0); }
.cookie-banner__inner {
  display: flex;
  align-items: center;
  gap: 32px;
}
.cookie-banner__text { font-size: 13px; color: var(--t2); flex: 1; line-height: 1.6; }
.cookie-banner__text a { color: var(--lime); text-decoration: none; }
.cookie-banner__text a:hover { text-decoration: underline; }
.cookie-banner__actions { display: flex; gap: 10px; flex-shrink: 0; }

/* ---------- Footer ---------- */
.footer {
  padding: 40px 0;
  border-top: 1px solid var(--border);
}
.footer__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 24px;
}
.footer__links {
  display: flex;
  gap: 28px;
  flex-wrap: wrap;
}
.footer__links a {
  font-size: 13px;
  color: var(--t2);
  transition: color 0.15s ease;
}
.footer__links a:hover { color: var(--t1); }
.footer__social {
  display: flex;
  gap: 8px;
}
.footer__social a {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 30px; height: 30px;
  border-radius: 4px;
  border: 1px solid var(--border);
  color: var(--t2);
  transition: border-color 0.2s ease, color 0.2s ease;
}
.footer__social a:hover { border-color: var(--border-hi); color: var(--t1); }
.footer__bottom { padding-top: 24px; display: flex; flex-direction: column; gap: 8px; }
.footer__bottom p {
  font-family: var(--font-mono);
  font-size: 10px;
  color: var(--t2);
  letter-spacing: 0.06em;
}
.footer__disclaimer {
  font-size: 10px !important;
  color: rgba(255,255,255,0.18) !important;
  max-width: 680px;
  line-height: 1.6;
}

/* ---------- Responsive ---------- */
@media (max-width: 1024px) {
  .security__inner    { grid-template-columns: 1fr; gap: 48px; }
  .cta-section__inner { grid-template-columns: 1fr; gap: 48px; }
  .tech-visual__inner { grid-template-columns: 1fr; gap: 48px; }
}

@media (max-width: 1100px) {
  .approach__grid--4 { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 960px) {
  section { padding: 88px 0; }
  .problem__grid     { grid-template-columns: 1fr; }
  .cap-grid          { grid-template-columns: repeat(2, 1fr); }
  .approach__grid    { grid-template-columns: 1fr; }
  .approach__grid--4 { grid-template-columns: 1fr; }
  /* why-grid already 2-col at desktop */
  .metrics__inner    { flex-wrap: wrap; }
  .metrics__div      { display: none; }
  .metric-item       { flex: 1 1 40%; padding: 20px 0; border-bottom: 1px solid var(--border); }
  /* Security: keep badges 2-col — 12 items in 1-col is too long */
  .security__inner   { gap: 40px; }
}

@media (max-width: 720px) {
  section { padding: 72px 0; }
  .container { padding: 0 20px; }

  /* Navbar */
  .navbar__nav     { display: none; }
  .navbar__toggle  { display: flex; }
  .navbar__actions .btn--sm { display: none; }
  .navbar.is-open .navbar__nav {
    display: flex;
    flex-direction: column;
    position: absolute;
    top: 60px; left: 0; right: 0;
    background: rgba(0,0,0,0.98);
    backdrop-filter: blur(20px);
    padding: 18px 22px;
    gap: 16px;
    border-bottom: 1px solid var(--border);
  }

  /* Hero */
  .hero__headline { font-size: clamp(36px, 10vw, 60px); }
  .hero__actions  { flex-direction: column; }
  .hero__actions .btn { width: 100%; justify-content: center; }
  .hero__strip-item { font-size: 9px; padding: 0 12px; }
  .hero__strip-item::before { margin-right: 12px; }

  /* Problem */
  .problem-card { padding: 32px 24px; }
  .problem-card p { max-width: none; }
  .problem-card__ghost { font-size: 88px; }

  /* Lists */
  .cap-card__list li,
  .approach-step__list li { font-size: 12px; }

  /* Grids */
  .form-row    { grid-template-columns: 1fr; }
  .cap-grid    { grid-template-columns: 1fr; }
  .why-grid    { grid-template-columns: 1fr; }
  .why-card:nth-child(even) { border-left: none; }

  /* Security — switch badge grid to wrapping tag chips */
  .security__inner  { gap: 36px; }
  .security__badges {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    border-top: none;
    padding-top: 0;
  }
  .badge {
    flex: 0 0 auto;
    border: 1px solid var(--border);
    border-bottom: 1px solid var(--border);
    border-radius: 3px;
    padding: 9px 13px;
    font-size: 12px;
    gap: 8px;
  }
  .badge svg { width: 12px; height: 12px; flex-shrink: 0; }

  /* FAQ */
  .faq__grid            { grid-template-columns: 1fr; }
  .faq__col             { border-top: none; }
  .faq__col:first-child { border-top: 1px solid var(--border); }
  .faq__inner > header  { margin-bottom: 24px; }
  .accordion__trigger   { font-size: 14px; padding: 18px 0; gap: 16px; }
  .accordion__icon      { width: 20px; height: 20px; flex-shrink: 0; }
  .accordion__panel p   { font-size: 13.5px; line-height: 1.65; max-width: none; padding-bottom: 18px; }

  /* Footer */
  .footer__inner { flex-direction: column; align-items: flex-start; gap: 20px; }
}

@media (max-width: 480px) {
  section { padding: 56px 0; }
  .hero   { padding: 80px 0 0; }
  .metric-item { flex: 1 1 100%; }
  .contact__form { padding: 24px 16px; }
  .terminal__body { padding: 18px 14px; }
  /* Prevent iOS Safari auto-zoom on focus */
  .form-group input,
  .form-group select,
  .form-group textarea { font-size: 16px; }
  /* Increase tap target for small button */
  .btn--sm { padding: 11px 16px; }
  /* Security chips: tighten at very small screens */
  .badge { padding: 8px 11px; font-size: 11.5px; }
}

/* ================================================================
   Theme toggle button
   ================================================================ */
.theme-toggle {
  background: none;
  border: 1px solid var(--border-hi);
  border-radius: 4px;
  width: 32px;
  height: 32px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  color: var(--t2);
  cursor: pointer;
  transition: color 0.15s ease, border-color 0.2s ease;
  flex-shrink: 0;
  padding: 0;
}
.theme-toggle:hover { color: var(--t1); border-color: var(--border-hi); }
.theme-toggle__sun,
.theme-toggle__moon { width: 14px; height: 14px; display: block; flex-shrink: 0; }
.theme-toggle__moon { display: none; }
/* In light mode show moon (click to go dark); in dark mode show sun (click to go light) */
[data-theme="light"] .theme-toggle__sun  { display: none; }
[data-theme="light"] .theme-toggle__moon { display: block; }
[data-theme="dark"]  .theme-toggle__sun  { display: block; }
[data-theme="dark"]  .theme-toggle__moon { display: none; }

/* ================================================================
   Dark mode (explicit — mirrors :root defaults so toggling works)
   ================================================================ */
[data-theme="dark"] {
  --bg:        #000000;
  --border:    rgba(255, 255, 255, 0.08);
  --border-hi: rgba(255, 255, 255, 0.14);
  --t1: rgba(255, 255, 255, 0.94);
  --t2: rgba(255, 255, 255, 0.50);
  --t3: rgba(255, 255, 255, 0.24);
}
[data-theme="dark"] body {
  background-image:
    linear-gradient(rgba(255,255,255,0.035) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,0.035) 1px, transparent 1px);
}
[data-theme="dark"] .section--dim { --bg: #0a0a0a; background-color: #0a0a0a; }
[data-theme="dark"] .navbar { background: rgba(0,0,0,0.85); }
[data-theme="dark"] .navbar.is-open .navbar__nav { background: rgba(0,0,0,0.98); }
[data-theme="dark"] .btn--primary { background: #fff; color: #000; border-color: #fff; }
[data-theme="dark"] .btn--ghost:hover { border-color: rgba(255,255,255,0.3); }
[data-theme="dark"] .hero::before { background: radial-gradient(ellipse 80% 60% at 50% 40%, rgba(0,0,0,0.92) 0%, transparent 100%); }
[data-theme="dark"] .grid-cell:hover { background: rgba(255,255,255,0.02); }
[data-theme="dark"] .contact__form { background: rgba(255,255,255,0.02); }
[data-theme="dark"] .form-group input,
[data-theme="dark"] .form-group select,
[data-theme="dark"] .form-group textarea { background: rgba(255,255,255,0.04); color: var(--t1); }
[data-theme="dark"] .form-group select option { background: #0d0d0d; }
[data-theme="dark"] .form-group input::placeholder,
[data-theme="dark"] .form-group textarea::placeholder { color: var(--t2); }
[data-theme="dark"] .cookie-banner { background: #111; }
[data-theme="dark"] .footer__disclaimer { color: rgba(255,255,255,0.18) !important; }
[data-theme="dark"] .navbar__mark .mark-diamond { stroke: #C4FB50; }
[data-theme="dark"] .navbar__mark .mark-inner   { fill:   #C4FB50; }
[data-theme="dark"] .scroll-progress { background: var(--lime); }
[data-theme="dark"] .pulse-dot, [data-theme="dark"] .pulse-dot::after { background: var(--lime); }
[data-theme="dark"] .cursor__dot { background: var(--lime); }
[data-theme="dark"] .cursor__ring { border-color: rgba(196,251,80,0.40); }
[data-theme="dark"] body.cursor-hover .cursor__ring { border-color: var(--lime); }
[data-theme="dark"] .capabilities, [data-theme="dark"] .approach {
  background-image: url("data:image/svg+xml,%3Csvg width='60' height='60' xmlns='http://www.w3.org/2000/svg'%3E%3Cline x1='60' y1='0' x2='60' y2='60' stroke='%23c4fb50' stroke-opacity='.07' stroke-width='.8'/%3E%3Cline x1='0' y1='60' x2='60' y2='60' stroke='%23c4fb50' stroke-opacity='.07' stroke-width='.8'/%3E%3Ccircle cx='60' cy='60' r='2' fill='%23c4fb50' fill-opacity='.14'/%3E%3Ccircle cx='30' cy='30' r='1.2' fill='%23c4fb50' fill-opacity='.09'/%3E%3C/svg%3E");
  background-size: 60px 60px;
}

/* ================================================================
   Light mode
   ================================================================ */

/* --- Core variables --- */
[data-theme="light"] {
  --bg:        #f5f4f0;
  --border:    rgba(0, 0, 0, 0.09);
  --border-hi: rgba(0, 0, 0, 0.17);
  --t1: rgba(0, 0, 0, 0.88);
  --t2: rgba(0, 0, 0, 0.54);
  --t3: rgba(0, 0, 0, 0.22);
}

/* --- Body: clean solid background, no grid --- */
[data-theme="light"] body { background-image: none; }

/* --- Section dim --- */
[data-theme="light"] .section--dim {
  --bg: #eeecea;
  background-color: #eeecea;
}

/* --- Scrollbar --- */
[data-theme="light"] ::-webkit-scrollbar-track { background: var(--bg); }
[data-theme="light"] ::-webkit-scrollbar-thumb { background: rgba(0,0,0,0.14); }

/* --- Navbar --- */
[data-theme="light"] .navbar {
  background: rgba(245,244,240,0.88);
}
[data-theme="light"] .navbar.is-open .navbar__nav {
  background: rgba(245,244,240,0.98);
}

/* --- Buttons --- */
[data-theme="light"] .btn--primary {
  background: #111;
  color: #fff;
  border-color: #111;
}
[data-theme="light"] .btn--primary:hover {
  background: var(--lime);
  border-color: var(--lime);
  color: #000;
}
[data-theme="light"] .btn--ghost { border-color: rgba(0,0,0,0.20); }
[data-theme="light"] .btn--ghost:hover { border-color: rgba(0,0,0,0.40); }

/* --- Hero vignette --- */
[data-theme="light"] .hero::before {
  background: radial-gradient(ellipse 80% 60% at 50% 40%, rgba(245,244,240,0.92) 0%, transparent 100%);
}

/* --- Scroll progress + accent dots --- */
[data-theme="light"] .scroll-progress { background: #3b7700; }
[data-theme="light"] .pulse-dot,
[data-theme="light"] .pulse-dot::after { background: #3b7700; }
[data-theme="light"] .cursor__dot { background: #3b7700; }
[data-theme="light"] .cursor__ring { border-color: rgba(59,119,0,0.35); }
[data-theme="light"] body.cursor-hover .cursor__ring { border-color: #3b7700; }

/* --- Hero strip slash separator --- */
[data-theme="light"] .hero__strip-item::before { color: rgba(59,119,0,0.50); }

/* --- Grid cells --- */
[data-theme="light"] .grid-cell:hover { background: rgba(0,0,0,0.02); }

/* --- Problem section ghost text --- */
[data-theme="light"] .problem-card__ghost { color: rgba(0,0,0,0.04); }
[data-theme="light"] .problem-card:hover .problem-card__ghost { color: rgba(59,119,0,0.05); }

/* --- Tech check badges --- */
[data-theme="light"] .tech-list__check {
  background: rgba(59,119,0,0.08);
  border-color: rgba(59,119,0,0.18);
  color: #3b7700;
}

/* --- Terminal stays dark intentionally --- */
[data-theme="light"] .terminal { border-color: rgba(0,0,0,0.12); }

/* --- Accordion open icon bars --- */
[data-theme="light"] .accordion__item.is-open .accordion__icon { border-color: #3b7700; }
[data-theme="light"] .accordion__item.is-open .accordion__icon::before,
[data-theme="light"] .accordion__item.is-open .accordion__icon::after { background: #3b7700; }

/* --- Badge hover icon --- */
[data-theme="light"] .badge:hover { color: var(--t1); }
[data-theme="light"] .badge:hover svg { color: #3b7700; }

/* --- Contact form --- */
[data-theme="light"] .contact__form { background: rgba(0,0,0,0.02); }
[data-theme="light"] .form-group input,
[data-theme="light"] .form-group select,
[data-theme="light"] .form-group textarea {
  background: rgba(0,0,0,0.04);
  color: var(--t1);
}
[data-theme="light"] .form-group select option { background: #f5f4f0; color: rgba(0,0,0,0.88); }
[data-theme="light"] .form-group input::placeholder,
[data-theme="light"] .form-group textarea::placeholder { color: var(--t2); }

/* --- Cookie banner --- */
[data-theme="light"] .cookie-banner { background: #f0efe9; }

/* --- Footer disclaimer --- */
[data-theme="light"] .footer__disclaimer { color: rgba(0,0,0,0.28) !important; }

/* --- Navbar logo SVG paths --- */
[data-theme="light"] .navbar__mark .mark-diamond { stroke: #3b7700; }
[data-theme="light"] .navbar__mark .mark-inner   { fill:   #3b7700; }

/* --- Lime → dark green for text elements --- */
[data-theme="light"] .text-lime,
[data-theme="light"] .hero__strip-item,
[data-theme="light"] .trust__track span:not(.trust__sep),
[data-theme="light"] .navbar__logo,
[data-theme="light"] .cap-card__label,
[data-theme="light"] .approach-step__num,
[data-theme="light"] .problem-card__num,
[data-theme="light"] .accordion__trigger:hover,
[data-theme="light"] .accordion__item.is-open .accordion__trigger,
[data-theme="light"] .legal__body h3,
[data-theme="light"] .cookie-banner__text a,
[data-theme="light"] .form-success { color: #3b7700 !important; }

/* --- No circuit board in light mode --- */
[data-theme="light"] .capabilities,
[data-theme="light"] .approach { background-image: none; }