/* =====================================================
   Valeriy-Dev Automation — Corporate site styles
   ===================================================== */

:root {
  --bg: #0a0a0f;
  --bg-elev: #12121a;
  --bg-elev-2: #1a1a26;
  --border: #24243a;
  --border-strong: #2f2f4a;
  --text: #e6e7ee;
  --text-dim: #9aa0b4;
  --text-mute: #6b7085;
  --accent: #00e5ff;            /* neon cyan */
  --accent-2: #7c3aed;          /* violet */
  --accent-3: #22d3a8;          /* terminal green */
  --danger: #ff6b6b;
  --success: #22d3a8;

  --font-sans: "Inter", ui-sans-serif, system-ui, -apple-system, Segoe UI, Roboto, Helvetica, Arial, sans-serif;
  --font-mono: "JetBrains Mono", ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;

  --radius: 14px;
  --radius-sm: 8px;
  --shadow-glow: 0 0 0 1px rgba(0, 229, 255, 0.18), 0 20px 60px -20px rgba(0, 229, 255, 0.25);
  --shadow-card: 0 1px 0 rgba(255,255,255,0.04) inset, 0 30px 60px -30px rgba(0,0,0,0.8);

  --container: 1160px;
  --header-h: 68px;
}

/* Reset-ish */
*,
*::before,
*::after { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: var(--font-sans);
  font-size: 16px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
  overflow-x: hidden;
}
img, svg { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
button { font: inherit; color: inherit; cursor: pointer; background: none; border: 0; }
ul { list-style: none; margin: 0; padding: 0; }
h1, h2, h3, h4 { margin: 0 0 0.5em; line-height: 1.15; letter-spacing: -0.02em; }
p { margin: 0 0 1em; }
p:last-child { margin-bottom: 0; }

.container {
  width: 100%;
  max-width: var(--container);
  margin: 0 auto;
  padding: 0 24px;
}

/* Skip link */
.skip-link {
  position: absolute; left: -9999px; top: 0;
  background: var(--accent); color: #001015; padding: 8px 12px; border-radius: 6px;
  font-weight: 600; z-index: 100;
}
.skip-link:focus { left: 12px; top: 12px; }

/* =========================
   HEADER
   ========================= */
.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  backdrop-filter: saturate(140%) blur(10px);
  -webkit-backdrop-filter: saturate(140%) blur(10px);
  background: rgba(10, 10, 15, 0.72);
  border-bottom: 1px solid rgba(255,255,255,0.06);
}
.header-inner {
  display: flex; align-items: center; justify-content: space-between;
  height: var(--header-h);
  gap: 16px;
}
.brand {
  display: inline-flex; align-items: center; gap: 10px;
  font-family: var(--font-mono);
  font-weight: 700;
  letter-spacing: -0.01em;
  color: var(--text);
}
.brand-mark {
  width: 32px; height: 32px;
  display: inline-grid; place-items: center;
  border-radius: 8px;
  background: linear-gradient(135deg, rgba(0,229,255,0.18), rgba(124,58,237,0.18));
  color: var(--accent);
  box-shadow: inset 0 0 0 1px rgba(0,229,255,0.25);
}
.brand-text { font-size: 15px; }
.brand-accent { color: var(--accent); }

.primary-nav {
  display: flex; align-items: center; gap: 24px;
}
.primary-nav ul {
  display: flex; gap: 22px;
}
.primary-nav a {
  color: var(--text-dim);
  font-size: 14px;
  font-weight: 500;
  padding: 6px 2px;
  position: relative;
  transition: color .2s ease;
}
.primary-nav a:hover,
.primary-nav a:focus-visible { color: var(--text); }
.primary-nav a::after {
  content: "";
  position: absolute; left: 0; right: 0; bottom: 0;
  height: 1px;
  background: linear-gradient(90deg, var(--accent), var(--accent-2));
  transform: scaleX(0);
  transform-origin: left;
  transition: transform .25s ease;
}
.primary-nav a:hover::after,
.primary-nav a:focus-visible::after { transform: scaleX(1); }

.nav-toggle {
  display: none;
  width: 40px; height: 40px;
  border-radius: 8px;
  border: 1px solid var(--border);
  padding: 10px;
}
.nav-toggle span {
  display: block;
  width: 100%; height: 2px;
  background: var(--text);
  margin: 3px 0;
  transition: transform .2s ease, opacity .2s ease;
}
.nav-toggle[aria-expanded="true"] span:nth-child(1) { transform: translateY(5px) rotate(45deg); }
.nav-toggle[aria-expanded="true"] span:nth-child(2) { opacity: 0; }
.nav-toggle[aria-expanded="true"] span:nth-child(3) { transform: translateY(-5px) rotate(-45deg); }

/* =========================
   BUTTONS
   ========================= */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  padding: 12px 20px;
  border-radius: 10px;
  font-weight: 600;
  font-size: 14px;
  letter-spacing: 0.01em;
  transition: transform .15s ease, box-shadow .2s ease, background .2s ease, color .2s ease, border-color .2s ease;
  border: 1px solid transparent;
  position: relative;
  overflow: hidden;
  white-space: nowrap;
}
.btn-sm { padding: 8px 14px; font-size: 13px; }
.btn-block { width: 100%; }
.btn-primary {
  color: #001015;
  background: linear-gradient(135deg, var(--accent), #3ea7ff 60%, var(--accent-2));
  box-shadow: 0 10px 30px -12px rgba(0,229,255,0.45);
}
.btn-primary:hover { transform: translateY(-1px); box-shadow: 0 14px 34px -12px rgba(0,229,255,0.6); }
.btn-primary:focus-visible { outline: 2px solid var(--accent); outline-offset: 2px; }
.btn-ghost {
  color: var(--text);
  border-color: var(--border-strong);
  background: rgba(255,255,255,0.02);
}
.btn-ghost:hover { border-color: var(--accent); color: var(--accent); }
.btn.is-loading .btn-label { opacity: 0.3; }
.btn-spinner {
  position: absolute;
  width: 16px; height: 16px;
  border-radius: 50%;
  border: 2px solid rgba(0,0,0,0.25);
  border-top-color: #001015;
  opacity: 0;
  animation: spin .7s linear infinite;
}
.btn.is-loading .btn-spinner { opacity: 1; }
@keyframes spin { to { transform: rotate(360deg); } }

/* =========================
   HERO
   ========================= */
.hero {
  position: relative;
  overflow: hidden;
  padding: clamp(80px, 14vw, 160px) 0 clamp(60px, 10vw, 120px);
  isolation: isolate;
}
#hero-canvas {
  position: absolute; inset: 0;
  width: 100%; height: 100%;
  z-index: 0;
  opacity: 0.7;
  transition: opacity .6s ease;
}
.hero-three {
  position: absolute; inset: 0;
  z-index: 0;
  pointer-events: none;
}
.hero-three canvas {
  width: 100% !important;
  height: 100% !important;
  display: block;
}
.hero-gradient {
  position: absolute; inset: 0;
  z-index: 1;
  background:
    radial-gradient(60% 50% at 20% 20%, rgba(0,229,255,0.15), transparent 60%),
    radial-gradient(50% 50% at 80% 10%, rgba(124,58,237,0.18), transparent 60%),
    linear-gradient(180deg, transparent 40%, var(--bg) 100%);
  pointer-events: none;
}
.hero-inner { position: relative; z-index: 2; max-width: 860px; }
.eyebrow {
  display: inline-flex; align-items: center; gap: 8px;
  font-family: var(--font-mono);
  font-size: 12.5px;
  color: var(--text-dim);
  padding: 6px 12px;
  border-radius: 999px;
  border: 1px solid var(--border);
  background: rgba(255,255,255,0.02);
  margin-bottom: 22px;
}
.eyebrow .dot {
  width: 7px; height: 7px; border-radius: 50%;
  background: var(--accent-3);
  box-shadow: 0 0 10px var(--accent-3);
  animation: pulse 2s ease-in-out infinite;
}
@keyframes pulse {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.35; }
}
.hero h1 {
  font-size: clamp(2.2rem, 5.2vw, 4rem);
  font-weight: 700;
  letter-spacing: -0.035em;
}
.grad-text {
  background: linear-gradient(90deg, var(--accent), #9f7bff 55%, var(--accent-2));
  -webkit-background-clip: text; background-clip: text;
  color: transparent;
}
.lede {
  font-size: clamp(1.05rem, 1.6vw, 1.25rem);
  color: var(--text-dim);
  max-width: 680px;
  margin-top: 18px;
}
.hero-cta {
  display: flex; flex-wrap: wrap; gap: 12px;
  margin-top: 30px;
}
.hero-meta {
  display: grid;
  grid-template-columns: repeat(3, minmax(0,1fr));
  gap: 16px;
  margin-top: 48px;
  max-width: 640px;
}
.hero-meta > div {
  padding: 14px 16px;
  border-radius: var(--radius-sm);
  border: 1px solid var(--border);
  background: rgba(255,255,255,0.02);
}
.hero-meta strong {
  display: block;
  font-family: var(--font-mono);
  font-size: 13px;
  color: var(--accent);
  margin-bottom: 2px;
}
.hero-meta span {
  font-size: 12.5px;
  color: var(--text-mute);
}

/* =========================
   SECTIONS
   ========================= */
.section {
  padding: clamp(70px, 10vw, 120px) 0;
  position: relative;
}
.section-alt {
  background:
    linear-gradient(180deg, transparent, rgba(124,58,237,0.04) 50%, transparent),
    var(--bg);
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
}
.section-head {
  max-width: 720px;
  margin-bottom: 48px;
}
.kicker {
  font-family: var(--font-mono);
  font-size: 13px;
  color: var(--accent);
  margin: 0 0 12px;
  letter-spacing: 0.04em;
}
.section h2 {
  font-size: clamp(1.8rem, 3.4vw, 2.6rem);
  font-weight: 700;
  letter-spacing: -0.03em;
}
.section-sub {
  color: var(--text-dim);
  font-size: 1.05rem;
  max-width: 620px;
}

/* =========================
   SERVICES GRID
   ========================= */
.grid { display: grid; gap: 20px; }
.services-grid {
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
}
.card {
  position: relative;
  padding: 28px 24px;
  border-radius: var(--radius);
  border: 1px solid var(--border);
  background: linear-gradient(180deg, var(--bg-elev), var(--bg-elev-2));
  box-shadow: var(--shadow-card);
  transition: transform .25s ease, border-color .25s ease, box-shadow .25s ease;
  overflow: hidden;
}
.card::before {
  content: "";
  position: absolute; inset: 0;
  background: radial-gradient(400px circle at var(--mx, 50%) var(--my, 0%), rgba(0,229,255,0.10), transparent 40%);
  opacity: 0;
  transition: opacity .3s ease;
  pointer-events: none;
}
.card:hover {
  transform: translateY(-4px);
  border-color: rgba(0,229,255,0.35);
  box-shadow: var(--shadow-glow);
}
.card:hover::before { opacity: 1; }
.card-icon {
  width: 44px; height: 44px;
  border-radius: 10px;
  display: inline-grid; place-items: center;
  background: linear-gradient(135deg, rgba(0,229,255,0.12), rgba(124,58,237,0.12));
  color: var(--accent);
  border: 1px solid rgba(0,229,255,0.25);
  margin-bottom: 18px;
}
.card-icon svg { width: 22px; height: 22px; }
.card h3 {
  font-size: 1.15rem;
  font-weight: 600;
}
.card p {
  color: var(--text-dim);
  font-size: 0.96rem;
}
.card-tags {
  display: flex; flex-wrap: wrap; gap: 6px;
  margin-top: 18px;
}
.card-tags li {
  font-family: var(--font-mono);
  font-size: 11.5px;
  padding: 4px 10px;
  border-radius: 999px;
  color: var(--text-dim);
  background: rgba(255,255,255,0.03);
  border: 1px solid var(--border);
}

/* =========================
   TECH STACK
   ========================= */
.stack-groups {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 20px;
  margin-bottom: 40px;
}
.stack-group {
  padding: 22px;
  border-radius: var(--radius);
  border: 1px solid var(--border);
  background: var(--bg-elev);
}
.stack-group h3 {
  font-size: 0.8rem;
  font-family: var(--font-mono);
  color: var(--text-mute);
  letter-spacing: 0.1em;
  text-transform: uppercase;
  margin-bottom: 14px;
}
.tag-list {
  display: flex; flex-wrap: wrap; gap: 8px;
}
.tag {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 7px 12px;
  border-radius: 8px;
  background: var(--bg-elev-2);
  border: 1px solid var(--border);
  font-family: var(--font-mono);
  font-size: 13px;
  color: var(--text);
  transition: transform .15s ease, border-color .2s ease, color .2s ease;
}
.tag:hover { border-color: var(--accent); color: var(--accent); transform: translateY(-1px); }
.tag-dot {
  width: 6px; height: 6px; border-radius: 50%;
  background: var(--accent);
  box-shadow: 0 0 6px var(--accent);
}

.code-snippet {
  border-radius: var(--radius);
  border: 1px solid var(--border);
  background:
    linear-gradient(180deg, #0e0e18, #0a0a12);
  padding: 20px 22px;
  overflow-x: auto;
  font-family: var(--font-mono);
  font-size: 13.5px;
  line-height: 1.7;
  color: #cfd2e4;
  position: relative;
}
.code-snippet::before {
  content: "● ● ●";
  position: absolute; top: 10px; left: 14px;
  color: #3a3a52;
  font-size: 10px;
  letter-spacing: 4px;
}
.code-snippet code { padding-top: 14px; display: block; }
.c-com { color: #6b7085; }
.c-kw  { color: #c084fc; }
.c-fn  { color: #7dd3fc; }
.c-ty  { color: #f0abfc; }
.c-str { color: #86efac; }

/* =========================
   CONTACT
   ========================= */
.contact-wrap {
  display: grid;
  grid-template-columns: 1.05fr 1fr;
  gap: 48px;
  align-items: start;
}
.contact-copy h2 { font-size: clamp(1.8rem, 3vw, 2.4rem); }
.contact-info {
  margin: 26px 0 18px;
  display: grid;
  gap: 14px;
}
.contact-info li {
  display: grid;
  grid-template-columns: 90px 1fr;
  gap: 16px;
  padding: 14px 16px;
  border-radius: var(--radius-sm);
  border: 1px solid var(--border);
  background: var(--bg-elev);
  font-size: 0.95rem;
}
.ci-label {
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--text-mute);
  text-transform: uppercase;
  letter-spacing: 0.08em;
}
.contact-info a { color: var(--accent); }
.contact-info a:hover { text-decoration: underline; }
.status-note {
  font-size: 13px;
  color: var(--text-mute);
  line-height: 1.6;
  border-left: 2px solid var(--accent);
  padding: 8px 14px;
  background: rgba(0,229,255,0.04);
  border-radius: 0 8px 8px 0;
  margin-top: 18px;
}

.contact-form {
  padding: 28px;
  border-radius: var(--radius);
  border: 1px solid var(--border);
  background: linear-gradient(180deg, var(--bg-elev), var(--bg-elev-2));
  box-shadow: var(--shadow-card);
  display: grid;
  gap: 16px;
}
.field { display: grid; gap: 6px; }
.field label {
  font-size: 13px;
  color: var(--text-dim);
  font-family: var(--font-mono);
}
.field input,
.field textarea {
  width: 100%;
  padding: 12px 14px;
  border-radius: 10px;
  background: #0b0b14;
  border: 1px solid var(--border-strong);
  color: var(--text);
  font: inherit;
  font-size: 14.5px;
  resize: vertical;
  transition: border-color .2s ease, box-shadow .2s ease;
}
.field input::placeholder,
.field textarea::placeholder { color: #565b75; }
.field input:focus,
.field textarea:focus {
  outline: none;
  border-color: var(--accent);
  box-shadow: 0 0 0 3px rgba(0,229,255,0.15);
}
.field.invalid input,
.field.invalid textarea {
  border-color: var(--danger);
  box-shadow: 0 0 0 3px rgba(255,107,107,0.15);
}
.form-status {
  font-size: 13.5px;
  min-height: 1.25em;
  margin: 0;
}
.form-status.success { color: var(--success); }
.form-status.error { color: var(--danger); }

/* =========================
   FOOTER
   ========================= */
.site-footer {
  border-top: 1px solid var(--border);
  padding: 40px 0 32px;
  background: #07070c;
}
.footer-inner {
  display: grid;
  grid-template-columns: 2fr 2fr 1fr;
  gap: 24px;
  align-items: center;
}
.footer-brand p {
  color: var(--text-mute);
  font-size: 13px;
  margin-top: 6px;
}
.footer-nav {
  display: flex; flex-wrap: wrap; gap: 18px;
  font-size: 14px;
  color: var(--text-dim);
}
.footer-nav a:hover { color: var(--accent); }
.footer-meta {
  font-size: 12.5px;
  color: var(--text-mute);
  text-align: right;
  margin: 0;
}

/* =========================
   RESPONSIVE
   ========================= */
@media (max-width: 960px) {
  .contact-wrap { grid-template-columns: 1fr; }
  .footer-inner { grid-template-columns: 1fr; text-align: left; }
  .footer-meta { text-align: left; }
}

@media (max-width: 780px) {
  .nav-toggle { display: inline-grid; place-items: center; }
  .primary-nav {
    position: absolute;
    top: var(--header-h);
    left: 0; right: 0;
    flex-direction: column;
    align-items: stretch;
    padding: 16px 24px 24px;
    background: rgba(10,10,15,0.98);
    border-bottom: 1px solid var(--border);
    gap: 14px;
    transform: translateY(-10px);
    opacity: 0;
    pointer-events: none;
    transition: transform .2s ease, opacity .2s ease;
  }
  .primary-nav.open { transform: translateY(0); opacity: 1; pointer-events: auto; }
  .primary-nav ul { flex-direction: column; gap: 6px; }
  .primary-nav a { padding: 10px 4px; font-size: 15px; }
  .nav-cta { align-self: start; }
  .hero-meta { grid-template-columns: 1fr; max-width: 100%; }
}

@media (max-width: 520px) {
  .contact-info li { grid-template-columns: 1fr; gap: 2px; }
  .btn { width: 100%; }
  .hero-cta .btn { width: 100%; }
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.001ms !important;
    transition-duration: 0.001ms !important;
  }
  html { scroll-behavior: auto; }
}

/* =========================
   SCROLL PROGRESS + TYPED CARET + BACK TO TOP
   ========================= */
.scroll-progress {
  position: fixed; top: 0; left: 0;
  height: 2px; width: 0;
  background: linear-gradient(90deg, var(--accent), var(--accent-2));
  z-index: 60;
  transition: width .08s linear;
}
.caret {
  display: inline-block;
  width: 2px;
  height: 0.9em;
  margin-left: 4px;
  background: var(--accent);
  vertical-align: -0.1em;
  animation: caret 1s steps(2) infinite;
}
@keyframes caret {
  50% { opacity: 0; }
}
.back-to-top {
  position: fixed;
  right: 20px; bottom: 20px;
  width: 42px; height: 42px;
  border-radius: 50%;
  background: var(--bg-elev);
  border: 1px solid var(--border-strong);
  color: var(--text);
  display: grid; place-items: center;
  opacity: 0; pointer-events: none;
  transform: translateY(10px);
  transition: opacity .2s ease, transform .2s ease, border-color .2s ease, color .2s ease;
  z-index: 55;
}
.back-to-top.show { opacity: 1; pointer-events: auto; transform: translateY(0); }
.back-to-top:hover { border-color: var(--accent); color: var(--accent); }

/* =========================
   STATS STRIP
   ========================= */
.stats {
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
  background: #07070c;
  padding: 34px 0;
}
.stats-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 28px;
  align-items: end;
}
.stat { display: grid; gap: 4px; }
.stat-num {
  font-family: var(--font-mono);
  font-size: clamp(1.6rem, 2.8vw, 2.2rem);
  font-weight: 700;
  background: linear-gradient(90deg, var(--accent), var(--accent-2));
  -webkit-background-clip: text; background-clip: text;
  color: transparent;
  letter-spacing: -0.02em;
}
.stat-label {
  font-size: 12.5px;
  color: var(--text-mute);
  line-height: 1.4;
}
@media (max-width: 780px) {
  .stats-grid { grid-template-columns: repeat(2, 1fr); gap: 22px; }
}

/* =========================
   PROCESS
   ========================= */
.process-list {
  list-style: none; padding: 0; margin: 0;
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 20px;
  counter-reset: step;
}
.process-list li {
  position: relative;
  padding: 24px 22px;
  border-radius: var(--radius);
  border: 1px solid var(--border);
  background: var(--bg-elev);
  transition: border-color .2s ease, transform .2s ease;
}
.process-list li:hover { border-color: rgba(0,229,255,0.35); transform: translateY(-3px); }
.step-num {
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--accent);
  letter-spacing: 0.12em;
  display: inline-block;
  margin-bottom: 10px;
}
.process-list h3 {
  font-size: 1.05rem;
  margin-bottom: 6px;
}
.process-list p {
  color: var(--text-dim);
  font-size: 0.94rem;
}

/* =========================
   ENGAGEMENT MODELS
   ========================= */
.engagement-grid {
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
}
.plan {
  position: relative;
  padding: 28px 26px;
  border-radius: var(--radius);
  border: 1px solid var(--border);
  background: linear-gradient(180deg, var(--bg-elev), var(--bg-elev-2));
  box-shadow: var(--shadow-card);
  display: grid; gap: 20px;
  transition: transform .2s ease, border-color .2s ease;
}
.plan:hover { transform: translateY(-3px); border-color: rgba(0,229,255,0.25); }
.plan-featured {
  border-color: rgba(0,229,255,0.4);
  box-shadow: var(--shadow-glow);
}
.plan-tag {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--accent);
  background: rgba(0,229,255,0.08);
  border: 1px solid rgba(0,229,255,0.25);
  padding: 3px 8px;
  border-radius: 999px;
  margin-bottom: 10px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}
.plan h3 {
  font-size: 1.25rem;
  margin-bottom: 6px;
}
.plan-desc {
  color: var(--text-dim);
  font-size: 0.95rem;
  margin: 0;
}
.plan-features {
  display: grid; gap: 8px;
  margin-top: 4px;
}
.plan-features li {
  position: relative;
  padding-left: 22px;
  font-size: 0.94rem;
  color: var(--text-dim);
}
.plan-features li::before {
  content: "";
  position: absolute;
  left: 0; top: 8px;
  width: 12px; height: 7px;
  border-left: 2px solid var(--accent);
  border-bottom: 2px solid var(--accent);
  transform: rotate(-45deg);
}

/* =========================
   FAQ
   ========================= */
.faq-list {
  display: grid; gap: 12px;
  max-width: 820px;
}
.faq-item {
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  background: var(--bg-elev);
  padding: 2px 20px;
  transition: border-color .2s ease;
}
.faq-item[open] { border-color: rgba(0,229,255,0.35); }
.faq-item summary {
  list-style: none;
  cursor: pointer;
  padding: 16px 0;
  font-weight: 500;
  font-size: 1rem;
  display: flex; justify-content: space-between; align-items: center;
  gap: 20px;
}
.faq-item summary::-webkit-details-marker { display: none; }
.faq-ico {
  font-family: var(--font-mono);
  color: var(--accent);
  font-size: 1.2rem;
  transition: transform .2s ease;
  flex: 0 0 auto;
}
.faq-item[open] .faq-ico { transform: rotate(45deg); }
.faq-item p {
  color: var(--text-dim);
  font-size: 0.95rem;
  padding: 0 0 18px;
  margin: 0;
  max-width: 720px;
}
.faq-item code {
  font-family: var(--font-mono);
  background: var(--bg-elev-2);
  padding: 1px 6px;
  border-radius: 4px;
  border: 1px solid var(--border);
  font-size: 0.88em;
}

/* =========================
   COPY BUTTON (code snippet)
   ========================= */
.code-snippet { position: relative; }
.copy-btn {
  position: absolute;
  top: 10px; right: 12px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--text-mute);
  padding: 4px 10px;
  border: 1px solid var(--border);
  border-radius: 6px;
  background: rgba(255,255,255,0.02);
  transition: color .2s, border-color .2s, background .2s;
}
.copy-btn:hover { color: var(--accent); border-color: var(--accent); }
.copy-btn.ok { color: var(--success); border-color: var(--success); }

/* =========================
   ARCHITECTURE DIAGRAM
   ========================= */
.arch-figure {
  margin: 0 0 24px;
  padding: 20px;
  border-radius: var(--radius);
  border: 1px solid var(--border);
  background: var(--bg-elev);
}
.arch-figure figcaption {
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--text-mute);
  margin-bottom: 12px;
  letter-spacing: 0.04em;
}
.arch-svg {
  width: 100%;
  height: auto;
  display: block;
  overflow: visible;
}
.arch-svg .n { transition: stroke .2s ease, filter .2s ease; }
.arch-svg g:hover .n {
  stroke: var(--accent);
  filter: drop-shadow(0 0 8px rgba(0,229,255,0.35));
}

/* =========================
   CASE STUDIES
   ========================= */
.cases-grid {
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
}
.case {
  padding: 26px 24px;
  border-radius: var(--radius);
  border: 1px solid var(--border);
  background: linear-gradient(180deg, var(--bg-elev), var(--bg-elev-2));
  display: grid; gap: 16px;
  transition: transform .2s ease, border-color .2s ease, box-shadow .2s ease;
}
.case:hover {
  transform: translateY(-3px);
  border-color: rgba(0,229,255,0.3);
  box-shadow: var(--shadow-glow);
}
.case-head { display: grid; gap: 6px; }
.case-tag {
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--accent);
  letter-spacing: 0.08em;
  text-transform: uppercase;
}
.case h3 { font-size: 1.15rem; margin: 0; }
.case > p {
  color: var(--text-dim);
  font-size: 0.94rem;
  margin: 0;
}
.case-stack {
  display: flex; flex-wrap: wrap; gap: 6px;
}
.case-stack li {
  font-family: var(--font-mono);
  font-size: 11.5px;
  color: var(--text-dim);
  padding: 3px 9px;
  border-radius: 999px;
  border: 1px solid var(--border);
  background: rgba(255,255,255,0.02);
}
.case-kpi {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 10px;
  margin: 0;
  padding-top: 14px;
  border-top: 1px solid var(--border);
}
.case-kpi > div { display: grid; gap: 2px; }
.case-kpi dt {
  font-family: var(--font-mono);
  font-size: 10.5px;
  color: var(--text-mute);
  text-transform: uppercase;
  letter-spacing: 0.08em;
}
.case-kpi dd {
  margin: 0;
  font-weight: 600;
  font-size: 0.95rem;
  color: var(--text);
}

/* =========================
   PAGE HERO (About, Product, Pricing)
   ========================= */
.page-hero {
  padding: clamp(110px, 14vw, 170px) 0 clamp(40px, 6vw, 70px);
  position: relative;
  overflow: hidden;
}
.page-hero::before {
  content: "";
  position: absolute; inset: 0;
  background:
    radial-gradient(60% 50% at 20% 20%, rgba(0,229,255,0.12), transparent 60%),
    radial-gradient(50% 50% at 80% 10%, rgba(124,58,237,0.14), transparent 60%);
  z-index: -1;
  pointer-events: none;
}
.page-hero h1 {
  font-size: clamp(2rem, 5vw, 3.4rem);
  letter-spacing: -0.03em;
  line-height: 1.1;
  margin-bottom: 18px;
}
.page-hero .lede {
  max-width: 640px;
  color: var(--text-dim);
  font-size: clamp(1rem, 1.5vw, 1.15rem);
}
.hero-meta-inline {
  margin-top: 22px;
  font-family: var(--font-mono);
  font-size: 12.5px;
  color: var(--text-mute);
}
.hero-meta-inline strong {
  color: var(--text-dim);
  font-weight: 500;
}

/* =========================
   TWO-COLUMN SECTION
   ========================= */
.two-col {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: clamp(30px, 5vw, 60px);
  align-items: start;
}
.two-col .prose p {
  color: var(--text-dim);
  margin-bottom: 14px;
}
@media (max-width: 780px) {
  .two-col { grid-template-columns: 1fr; }
}

/* =========================
   TIMELINE (About)
   ========================= */
.timeline {
  list-style: none;
  padding: 0;
  margin: 0;
  display: grid;
  gap: 0;
  position: relative;
}
.timeline::before {
  content: "";
  position: absolute;
  left: 11px;
  top: 8px;
  bottom: 8px;
  width: 1px;
  background: linear-gradient(180deg, var(--accent), var(--accent-2), transparent);
  opacity: 0.4;
}
.timeline li {
  position: relative;
  padding: 0 0 28px 42px;
}
.timeline li::before {
  content: "";
  position: absolute;
  left: 6px;
  top: 6px;
  width: 12px;
  height: 12px;
  border-radius: 50%;
  background: var(--bg);
  border: 2px solid var(--accent);
  box-shadow: 0 0 0 3px rgba(0,229,255,0.15);
}
.timeline .t-date {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.1em;
  color: var(--accent);
  text-transform: uppercase;
  margin-bottom: 4px;
}
.timeline h3 {
  font-size: 1.1rem;
  margin-bottom: 6px;
}
.timeline p {
  color: var(--text-dim);
  font-size: 0.95rem;
  margin: 0;
  max-width: 680px;
}
.timeline a { color: var(--accent); }

/* =========================
   FOUNDER CARD
   ========================= */
.founder-card {
  display: grid;
  grid-template-columns: 120px 1fr;
  gap: 24px;
  align-items: start;
  padding: 28px;
  border-radius: var(--radius);
  border: 1px solid var(--border);
  background: linear-gradient(180deg, var(--bg-elev), var(--bg-elev-2));
  max-width: 820px;
}
.founder-avatar { line-height: 0; border-radius: 16px; overflow: hidden; }
.founder-body h3 { font-size: 1.2rem; margin-bottom: 8px; }
.founder-role {
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--text-mute);
  font-weight: 400;
  letter-spacing: 0.04em;
}
.founder-body p {
  color: var(--text-dim);
  font-size: 0.95rem;
  margin-bottom: 12px;
}
.founder-links {
  display: flex; flex-wrap: wrap; gap: 14px;
  font-family: var(--font-mono);
  font-size: 12.5px;
  color: var(--text-mute);
}
.founder-links a { color: var(--accent); }
@media (max-width: 640px) {
  .founder-card { grid-template-columns: 1fr; }
  .founder-avatar svg { width: 80px; height: 80px; }
}

/* =========================
   FACTS GRID (About)
   ========================= */
.facts-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 14px;
  margin-bottom: 36px;
}
.fact {
  padding: 16px 18px;
  border-radius: var(--radius-sm);
  border: 1px solid var(--border);
  background: var(--bg-elev);
}
.fact dt {
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--text-mute);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  margin-bottom: 4px;
}
.fact dd {
  margin: 0;
  color: var(--text);
  font-size: 0.95rem;
  font-weight: 500;
}
.fact a { color: var(--accent); }

/* =========================
   CTA STRIP
   ========================= */
.cta-strip {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 24px;
  align-items: center;
  padding: 32px;
  border-radius: var(--radius);
  border: 1px solid rgba(0,229,255,0.35);
  background:
    linear-gradient(180deg, rgba(0,229,255,0.04), rgba(124,58,237,0.04)),
    var(--bg-elev);
  box-shadow: var(--shadow-glow);
}
.cta-strip h3 { font-size: 1.3rem; margin-bottom: 6px; }
.cta-strip-actions { display: flex; gap: 12px; flex-wrap: wrap; }
@media (max-width: 720px) {
  .cta-strip { grid-template-columns: 1fr; }
}

/* =========================
   PRICING
   ========================= */
.plan-per {
  font-family: var(--font-mono);
  font-size: 13px;
  font-weight: 400;
  color: var(--text-mute);
  letter-spacing: 0.04em;
}
.plan h3 {
  font-size: 1.6rem;
  font-family: var(--font-mono);
  font-weight: 700;
  letter-spacing: -0.02em;
}
.plan .btn {
  justify-self: start;
  margin-top: 4px;
}
.pricing-footnote {
  margin-top: 28px;
  max-width: 760px;
  font-size: 13px;
  color: var(--text-mute);
  line-height: 1.6;
}
.pricing-table-wrap { overflow-x: auto; }
.pricing-table {
  width: 100%;
  min-width: 640px;
  border-collapse: collapse;
  font-size: 0.93rem;
  border-radius: var(--radius-sm);
  overflow: hidden;
  border: 1px solid var(--border);
}
.pricing-table th, .pricing-table td {
  padding: 14px 18px;
  text-align: left;
  border-bottom: 1px solid var(--border);
}
.pricing-table thead th {
  background: var(--bg-elev-2);
  font-family: var(--font-mono);
  font-size: 12px;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--text-mute);
}
.pricing-table tbody th {
  font-weight: 500;
  color: var(--text);
  background: var(--bg-elev);
  width: 32%;
}
.pricing-table tbody td { color: var(--text-dim); }
.pricing-table tbody tr:last-child th,
.pricing-table tbody tr:last-child td { border-bottom: 0; }

/* =========================
   PARTNERS STRIP (home)
   ========================= */
.partners {
  padding: 40px 0;
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
  background: #07070c;
}
.partners-label {
  font-family: var(--font-mono);
  font-size: 11.5px;
  color: var(--text-mute);
  text-align: center;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  margin-bottom: 18px;
}
.partners-row {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  align-items: center;
  gap: clamp(22px, 4vw, 48px);
  opacity: 0.82;
}
.partners-row span {
  font-family: var(--font-mono);
  font-size: 14px;
  color: var(--text-dim);
  letter-spacing: 0.02em;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  transition: color .2s ease, opacity .2s ease;
}
.partners-row span:hover { color: var(--accent); opacity: 1; }
.partners-row svg { flex: 0 0 auto; }

/* =========================
   MODEL LIST (product.html)
   ========================= */
.model-list {
  display: grid;
  gap: 6px;
  margin: 6px 0 0;
  padding: 0;
  list-style: none;
}
.model-list li {
  position: relative;
  padding: 6px 0 6px 20px;
  color: var(--text-dim);
  font-size: 0.94rem;
  border-bottom: 1px dashed var(--border);
}
.model-list li:last-child { border-bottom: 0; }
.model-list li::before {
  content: "›";
  position: absolute;
  left: 4px;
  top: 6px;
  color: var(--accent);
  font-family: var(--font-mono);
  font-weight: 700;
}
.model-list strong { color: var(--text); font-weight: 600; }