/* =========================================================
   Trenin Labs — modern dark theme
   ========================================================= */

:root {
  /* Palette */
  --bg:        #07080d;
  --bg-soft:   #0c0e16;
  --panel:     #11131c;
  --panel-2:   #161927;
  --line:      rgba(255, 255, 255, 0.08);
  --line-2:    rgba(255, 255, 255, 0.14);
  --text:      #ecedf2;
  --text-2:    #c4c7d4;
  --muted:     #8b91a7;
  --dim:       #5b6075;

  /* Accents */
  --violet:    #a78bfa;
  --indigo:    #7c5cff;
  --cyan:      #22d3ee;
  --grad:      linear-gradient(135deg, #a78bfa 0%, #7c5cff 45%, #22d3ee 100%);
  --grad-soft: linear-gradient(135deg, rgba(167,139,250,0.18), rgba(34,211,238,0.18));

  /* Layout */
  --maxw:      1160px;
  --radius:    16px;
  --radius-sm: 10px;

  /* Type */
  --font:      "Inter", ui-sans-serif, system-ui, -apple-system, "Segoe UI",
               Roboto, "Helvetica Neue", Arial, sans-serif;
  --mono:      "JetBrains Mono", ui-monospace, "SF Mono", Menlo, Consolas, monospace;
}

* { box-sizing: border-box; }
html {
  scroll-behavior: smooth;
  background: var(--bg);
}
body {
  margin: 0;
  padding: 0;
  background: transparent;
  color: var(--text);
  font-family: var(--font);
  font-feature-settings: "cv11", "ss01", "ss03";
  line-height: 1.55;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  text-rendering: optimizeLegibility;
  position: relative;
  z-index: 0;
}
header.site, main, footer.site { position: relative; z-index: 1; }

a { color: inherit; text-decoration: none; }

::selection { background: rgba(124, 92, 255, 0.35); color: #fff; }

/* ---------- Layout helpers ---------- */
.wrap {
  max-width: var(--maxw);
  margin: 0 auto;
  padding: 0 28px;
}

.skip {
  position: absolute; left: -9999px; top: auto;
}
.skip:focus {
  left: 16px; top: 16px;
  background: var(--indigo); color: #fff;
  padding: 8px 12px; border-radius: 8px; z-index: 999;
}

/* ---------- Animated background ---------- */
.bg {
  position: fixed; inset: 0;
  z-index: 0; overflow: hidden;
  pointer-events: none;
}
.bg .orb {
  position: absolute;
  border-radius: 50%;
  filter: blur(90px);
  will-change: transform;
}
.orb-1 {
  width: 720px; height: 720px;
  top: -220px; left: -200px;
  background: radial-gradient(circle, #7c5cff 0%, transparent 65%);
  opacity: 0.7;
  animation: float 22s ease-in-out infinite;
}
.orb-2 {
  width: 620px; height: 620px;
  top: 8%; right: -180px;
  background: radial-gradient(circle, #22d3ee 0%, transparent 65%);
  opacity: 0.55;
  animation: float 28s ease-in-out infinite reverse;
}
.orb-3 {
  width: 540px; height: 540px;
  top: 50%; left: 30%;
  background: radial-gradient(circle, #a78bfa 0%, transparent 65%);
  opacity: 0.38;
  animation: float 34s ease-in-out infinite;
}
@keyframes float {
  0%, 100% { transform: translate(0, 0) scale(1); }
  33%      { transform: translate(40px, 30px) scale(1.05); }
  66%      { transform: translate(-30px, 50px) scale(0.95); }
}

.bg .grid {
  position: absolute; inset: 0;
  background-image:
    linear-gradient(rgba(255,255,255,0.025) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,0.025) 1px, transparent 1px);
  background-size: 56px 56px;
  mask-image: radial-gradient(ellipse at center, #000 30%, transparent 75%);
  -webkit-mask-image: radial-gradient(ellipse at center, #000 30%, transparent 75%);
}

.bg .noise {
  position: absolute; inset: 0;
  opacity: 0.035;
  mix-blend-mode: overlay;
  background-image: url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' width='160' height='160'><filter id='n'><feTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='2' stitchTiles='stitch'/></filter><rect width='100%25' height='100%25' filter='url(%23n)' opacity='0.7'/></svg>");
}

@media (prefers-reduced-motion: reduce) {
  .orb-1, .orb-2, .orb-3 { animation: none; }
  html { scroll-behavior: auto; }
}

/* ---------- Header ---------- */
header.site {
  position: sticky; top: 0; z-index: 50;
  background: rgba(7, 8, 13, 0.65);
  backdrop-filter: saturate(160%) blur(14px);
  -webkit-backdrop-filter: saturate(160%) blur(14px);
  border-bottom: 1px solid var(--line);
}
.nav {
  display: flex; align-items: center; justify-content: space-between;
  height: 68px;
}
.brand {
  display: inline-flex; align-items: center; gap: 11px;
  color: var(--text);
  font-weight: 700; letter-spacing: -0.01em;
  font-size: 1.02rem;
}
.brand .logo { width: 28px; height: 28px; border-radius: 7px; }
.brand.small .logo { width: 22px; height: 22px; }
.brand:hover { text-decoration: none; }

nav[aria-label="Primary"] {
  display: flex; gap: 4px;
}
nav[aria-label="Primary"] a {
  color: var(--text-2);
  font-size: 0.93rem; font-weight: 500;
  padding: 8px 14px;
  border-radius: 8px;
  transition: color 0.15s ease, background 0.15s ease;
}
nav[aria-label="Primary"] a:hover {
  color: var(--text);
  background: rgba(255,255,255,0.04);
}
@media (max-width: 560px) {
  nav[aria-label="Primary"] a { padding: 8px 10px; font-size: 0.88rem; }
}

/* ---------- Hero ---------- */
.hero { padding: 120px 0 96px; }
.hero-inner { max-width: 880px; }

.pill {
  display: inline-flex; align-items: center; gap: 10px;
  padding: 7px 14px 7px 10px;
  border: 1px solid var(--line-2);
  background: rgba(255,255,255,0.025);
  border-radius: 999px;
  font-size: 0.84rem; color: var(--text-2);
  font-weight: 500;
  margin-bottom: 28px;
  transition: border-color 0.2s ease, background 0.2s ease, transform 0.2s ease;
}
.pill:hover {
  border-color: rgba(124,92,255,0.5);
  background: rgba(124,92,255,0.08);
  transform: translateY(-1px);
}
.pill .dot {
  width: 8px; height: 8px; border-radius: 50%;
  background: var(--cyan);
  box-shadow: 0 0 0 4px rgba(34,211,238,0.18),
              0 0 12px rgba(34,211,238,0.7);
  animation: pulse 2.4s ease-in-out infinite;
}
.pill .arrow {
  opacity: 0.6; transition: transform 0.2s ease, opacity 0.2s ease;
}
.pill:hover .arrow { transform: translateX(3px); opacity: 1; }
@keyframes pulse {
  0%, 100% { box-shadow: 0 0 0 4px rgba(34,211,238,0.18), 0 0 12px rgba(34,211,238,0.6); }
  50%      { box-shadow: 0 0 0 6px rgba(34,211,238,0.05), 0 0 16px rgba(34,211,238,0.9); }
}

h1.display {
  font-size: clamp(2.4rem, 6.2vw, 5rem);
  line-height: 1.02;
  letter-spacing: -0.035em;
  font-weight: 700;
  margin: 0 0 26px;
}
.grad {
  background: var(--grad);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.lede {
  font-size: clamp(1.05rem, 1.35vw, 1.2rem);
  color: var(--text-2);
  max-width: 640px;
  margin: 0 0 36px;
  line-height: 1.6;
}

.cta {
  display: flex; gap: 12px; flex-wrap: wrap;
  margin-bottom: 56px;
}
.btn {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 12px 20px;
  border-radius: 10px;
  font-weight: 600; font-size: 0.95rem;
  border: 1px solid transparent;
  transition: transform 0.08s ease, background 0.2s ease,
              border-color 0.2s ease, box-shadow 0.2s ease;
  cursor: pointer;
}
.btn:hover { text-decoration: none; }
.btn:active { transform: translateY(1px); }
.btn.primary {
  background: var(--grad);
  color: #0a0b14;
  font-weight: 700;
  box-shadow: 0 8px 24px -10px rgba(124,92,255,0.6),
              0 0 0 1px rgba(255,255,255,0.06) inset;
}
.btn.primary:hover {
  box-shadow: 0 12px 32px -10px rgba(124,92,255,0.8),
              0 0 0 1px rgba(255,255,255,0.1) inset;
}
.btn.ghost {
  background: rgba(255,255,255,0.02);
  color: var(--text);
  border-color: var(--line-2);
}
.btn.ghost:hover {
  background: rgba(255,255,255,0.05);
  border-color: var(--cyan);
}

.meta {
  list-style: none; padding: 0; margin: 0;
  display: grid;
  grid-template-columns: repeat(3, max-content);
  gap: 28px 48px;
  padding-top: 32px;
  border-top: 1px solid var(--line);
}
@media (max-width: 640px) {
  .meta { grid-template-columns: 1fr; gap: 14px; }
}
.meta li {
  display: flex; flex-direction: column; gap: 4px;
}
.meta .key {
  font-size: 0.74rem; text-transform: uppercase;
  letter-spacing: 0.14em; color: var(--muted);
  font-weight: 600;
}
.meta li > span:last-child {
  font-size: 0.95rem; color: var(--text);
  font-weight: 500;
}

/* ---------- Section heads ---------- */
section { padding: 96px 0; position: relative; }
section + section { border-top: 1px solid var(--line); }

.section-head { margin-bottom: 48px; max-width: 720px; }
.eyebrow {
  display: inline-block;
  font-size: 0.78rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--cyan);
  font-weight: 600;
  margin-bottom: 14px;
  font-family: var(--mono);
}
.eyebrow.small { font-size: 0.7rem; }

h2 {
  font-size: clamp(1.8rem, 3.6vw, 2.6rem);
  letter-spacing: -0.028em;
  line-height: 1.1;
  margin: 0 0 14px;
  font-weight: 700;
}
.sub {
  color: var(--text-2);
  font-size: 1.05rem;
  max-width: 580px;
  margin: 0;
}

/* ---------- Product cards ---------- */
.cards {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  gap: 22px;
}

.card {
  position: relative;
  border-radius: var(--radius);
  background: linear-gradient(180deg, var(--panel) 0%, var(--panel-2) 100%);
  overflow: hidden;
  isolation: isolate;
  transition: transform 0.25s ease;
}
.card::before {
  content: "";
  position: absolute; inset: 0;
  border-radius: inherit;
  padding: 1px;
  background: linear-gradient(135deg,
              rgba(255,255,255,0.12),
              rgba(255,255,255,0.02) 40%,
              rgba(255,255,255,0.02) 60%,
              var(--card-accent, #7c5cff) 100%);
  -webkit-mask:
    linear-gradient(#000 0 0) content-box,
    linear-gradient(#000 0 0);
  -webkit-mask-composite: xor;
          mask-composite: exclude;
  pointer-events: none;
  opacity: 0.6;
  transition: opacity 0.25s ease;
}
.card:hover { transform: translateY(-3px); }
.card:hover::before { opacity: 1; }

.card-glow {
  position: absolute;
  width: 280px; height: 280px;
  border-radius: 50%;
  background: radial-gradient(circle, var(--card-accent, #7c5cff) 0%, transparent 65%);
  filter: blur(40px);
  opacity: 0.12;
  top: -60px; right: -60px;
  pointer-events: none;
  transition: opacity 0.3s ease;
}
.card:hover .card-glow { opacity: 0.22; }

.card-inner {
  position: relative;
  padding: 30px 28px 26px;
  display: flex; flex-direction: column; gap: 16px;
  min-height: 100%;
}

.card-top {
  display: flex; align-items: center; justify-content: space-between;
  margin-bottom: 4px;
}
.chip {
  display: inline-flex; align-items: center;
  font-family: var(--mono);
  font-size: 0.72rem; letter-spacing: 0.08em;
  padding: 4px 10px;
  border-radius: 999px;
  background: rgba(255,255,255,0.05);
  border: 1px solid var(--line);
  color: var(--text-2);
  text-transform: uppercase;
}
.card-icon {
  width: 26px; height: 26px;
  color: var(--card-accent, #7c5cff);
  opacity: 0.95;
}

.card h3 {
  font-size: 1.5rem;
  letter-spacing: -0.02em;
  margin: 0;
  font-weight: 700;
}
.card .tld {
  background: var(--grad);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}
.card .tag {
  margin: 0;
  font-size: 0.92rem;
  color: var(--muted);
  font-weight: 500;
}
.card .body {
  margin: 0;
  color: var(--text-2);
  font-size: 0.97rem;
  line-height: 1.6;
}
.card-link {
  display: inline-flex; align-items: center; gap: 6px;
  margin-top: auto;
  padding-top: 8px;
  font-weight: 600;
  font-size: 0.95rem;
  color: var(--text);
  transition: gap 0.2s ease, color 0.2s ease;
}
.card-link:hover { color: var(--card-accent, #7c5cff); gap: 10px; text-decoration: none; }
.card-link .arrow { font-size: 1rem; opacity: 0.7; }

/* ---------- About ---------- */
.two-col {
  display: grid;
  grid-template-columns: 1.3fr 1fr;
  gap: 56px;
  align-items: start;
}
@media (max-width: 820px) {
  .two-col { grid-template-columns: 1fr; gap: 32px; }
}
.about-text p {
  color: var(--text-2);
  font-size: 1.02rem;
  max-width: 580px;
}
.about-text p + p { margin-top: 14px; }

.company {
  position: relative;
  border-radius: var(--radius);
  background: linear-gradient(180deg, var(--panel) 0%, var(--panel-2) 100%);
  border: 1px solid var(--line-2);
  padding: 28px;
  overflow: hidden;
}
.company::before {
  content: "";
  position: absolute; top: 0; left: 0; right: 0; height: 1px;
  background: var(--grad);
  opacity: 0.7;
}
.company header { margin-bottom: 20px; }
.company h3 {
  margin: 6px 0 0;
  font-size: 1.25rem;
  letter-spacing: -0.015em;
  font-weight: 700;
}
.company dl {
  margin: 0 0 22px;
  display: flex; flex-direction: column; gap: 14px;
}
.company dl > div {
  display: flex; justify-content: space-between; align-items: baseline;
  gap: 16px;
  padding-bottom: 12px;
  border-bottom: 1px dashed var(--line);
}
.company dl > div:last-child { border-bottom: none; padding-bottom: 0; }
.company dt {
  font-size: 0.82rem;
  color: var(--muted);
  font-weight: 500;
}
.company dd {
  margin: 0;
  font-family: var(--mono);
  font-size: 0.9rem;
  color: var(--text);
  font-weight: 500;
}
.company-link {
  display: inline-flex; align-items: center; gap: 6px;
  font-size: 0.9rem; font-weight: 600;
  color: var(--cyan);
  transition: gap 0.2s ease;
}
.company-link:hover { gap: 10px; text-decoration: none; }

/* ---------- Contact ---------- */
.contact { padding: 120px 0; }
.contact-inner { text-align: center; max-width: 720px; margin: 0 auto; }
.contact h2 { margin-bottom: 18px; }
.contact p {
  color: var(--text-2);
  font-size: 1.05rem;
  margin: 0 0 28px;
}
.email {
  display: inline-flex; align-items: center; gap: 10px;
  padding: 16px 26px;
  border-radius: 12px;
  background: rgba(255,255,255,0.025);
  border: 1px solid var(--line-2);
  font-size: 1.1rem;
  font-weight: 600;
  letter-spacing: -0.01em;
  color: var(--text);
  transition: border-color 0.2s ease, background 0.2s ease, gap 0.2s ease;
}
.email:hover {
  border-color: var(--cyan);
  background: rgba(34,211,238,0.06);
  text-decoration: none;
  gap: 14px;
}
.email .arrow { color: var(--cyan); }

/* ---------- Footer ---------- */
footer.site {
  border-top: 1px solid var(--line);
  padding: 36px 0;
  color: var(--muted);
  font-size: 0.9rem;
}
.foot {
  display: flex; justify-content: space-between; align-items: flex-end;
  gap: 20px; flex-wrap: wrap;
}
.foot-brand { display: flex; flex-direction: column; gap: 6px; }
.foot-brand p { margin: 0; }
.foot-meta { text-align: right; }
.foot-meta p { margin: 0; }
.foot-meta p + p { margin-top: 4px; opacity: 0.8; }
@media (max-width: 560px) {
  .foot { flex-direction: column; align-items: flex-start; }
  .foot-meta { text-align: left; }
}