/* Vexor landing — light theme */
:root {
  --bg: #ffffff;
  --bg-alt: #f6f8fb;
  --surface: #ffffff;
  --border: #e6eaf0;
  --ink: #1a2233;
  --ink-soft: #5a667a;
  --ink-faint: #8a93a5;
  --brand: #2f6df6;
  --brand-dark: #1f54cc;
  --brand-tint: #eaf1ff;
  --ok: #1f9d63;
  --warn: #d98b00;
  --code-bg: #0f1726;
  --code-ink: #d7e0f0;
  --radius: 14px;
  --radius-sm: 10px;
  --shadow: 0 1px 2px rgba(20, 32, 60, .05), 0 8px 24px rgba(20, 32, 60, .06);
  --shadow-lg: 0 20px 50px rgba(20, 32, 60, .14);
  --maxw: 1120px;
  --font: 'Inter', system-ui, -apple-system, Segoe UI, Roboto, Helvetica, Arial, sans-serif;
  --mono: 'JetBrains Mono', ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  font-family: var(--font);
  color: var(--ink);
  background: var(--bg);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

a { color: var(--brand); text-decoration: none; }
a:hover { text-decoration: underline; }

img { max-width: 100%; display: block; }

h1, h2, h3 { line-height: 1.2; margin: 0; letter-spacing: -.02em; }

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

/* ---------- buttons ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: .5em;
  font-weight: 600;
  font-size: .95rem;
  padding: .6em 1.1em;
  border-radius: var(--radius-sm);
  border: 1px solid transparent;
  cursor: pointer;
  transition: transform .06s ease, background .15s ease, border-color .15s ease, box-shadow .15s ease;
  white-space: nowrap;
}
.btn:hover { text-decoration: none; }
.btn:active { transform: translateY(1px); }
.btn--lg { padding: .8em 1.5em; font-size: 1rem; }
.btn--primary {
  background: var(--brand);
  color: #fff;
  box-shadow: 0 4px 14px rgba(47, 109, 246, .28);
}
.btn--primary:hover { background: var(--brand-dark); }
.btn--ghost {
  background: #fff;
  color: var(--ink);
  border-color: var(--border);
}
.btn--ghost:hover { border-color: var(--brand); color: var(--brand); }

/* ---------- nav ---------- */
.nav {
  position: sticky;
  top: 0;
  z-index: 50;
  background: rgba(255, 255, 255, .82);
  backdrop-filter: saturate(160%) blur(10px);
  border-bottom: 1px solid var(--border);
}
.nav__inner {
  display: flex;
  align-items: center;
  gap: 24px;
  height: 64px;
}
.brand {
  display: inline-flex;
  align-items: center;
  gap: .55em;
  font-weight: 700;
  font-size: 1.15rem;
  color: var(--ink);
  letter-spacing: -.01em;
}
.brand:hover { text-decoration: none; }
.nav__links {
  display: flex;
  gap: 26px;
  margin-left: auto;
}
.nav__links a {
  color: var(--ink-soft);
  font-weight: 500;
  font-size: .94rem;
}
.nav__links a:hover { color: var(--ink); text-decoration: none; }
.nav .btn--primary { margin-left: 4px; }

/* ---------- hero ---------- */
.hero {
  background:
    radial-gradient(1100px 420px at 78% -10%, var(--brand-tint), transparent 60%),
    linear-gradient(180deg, #fbfcfe, #ffffff);
  border-bottom: 1px solid var(--border);
}
.hero__inner {
  display: grid;
  grid-template-columns: 1.05fr .95fr;
  gap: 56px;
  align-items: center;
  padding: 84px 0 76px;
}
.hero__copy { max-width: 560px; }
.tag {
  display: inline-block;
  font-size: .78rem;
  font-weight: 600;
  letter-spacing: .02em;
  color: var(--brand-dark);
  background: var(--brand-tint);
  border: 1px solid #d6e3ff;
  padding: .35em .8em;
  border-radius: 999px;
  margin-bottom: 20px;
}
.hero h1 {
  font-size: clamp(2.1rem, 4.6vw, 3.25rem);
  font-weight: 700;
}
.lead {
  font-size: 1.18rem;
  color: var(--ink-soft);
  margin: 18px 0 28px;
}
.hero__cta { display: flex; flex-wrap: wrap; gap: 12px; }
.hero__note {
  margin-top: 22px;
  font-size: .9rem;
  color: var(--ink-faint);
}
.hero__note code {
  font-family: var(--mono);
  font-size: .92em;
  background: #eef1f6;
  border: 1px solid var(--border);
  border-radius: 6px;
  padding: .08em .4em;
  color: var(--ink);
}
.hero__art img {
  border-radius: var(--radius);
  border: 1px solid var(--border);
  box-shadow: var(--shadow-lg);
}

/* ---------- sections ---------- */
.section { padding: 76px 0; }
.section--alt {
  background: var(--bg-alt);
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
}
.section__head {
  max-width: 640px;
  margin: 0 auto 44px;
  text-align: center;
}
.section__head h2 { font-size: clamp(1.7rem, 3vw, 2.25rem); }
.section__head p { color: var(--ink-soft); margin: 12px 0 0; font-size: 1.05rem; }

/* ---------- features grid ---------- */
.grid { display: grid; gap: 20px; }
.grid--2 { grid-template-columns: repeat(2, 1fr); }
.feat {
  display: flex;
  gap: 16px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 24px;
  box-shadow: var(--shadow);
}
.feat__ico {
  flex: none;
  width: 44px;
  height: 44px;
  display: grid;
  place-items: center;
  border-radius: 11px;
  background: var(--brand-tint);
  color: var(--brand-dark);
}
.feat__ico svg { width: 22px; height: 22px; }
.feat h3 { font-size: 1.08rem; margin-bottom: 6px; }
.feat p { margin: 0; color: var(--ink-soft); font-size: .96rem; }

/* ---------- steps ---------- */
.steps {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
}
.step {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 28px 24px;
  box-shadow: var(--shadow);
}
.step__num {
  display: inline-grid;
  place-items: center;
  width: 36px;
  height: 36px;
  border-radius: 50%;
  background: var(--brand);
  color: #fff;
  font-weight: 700;
  margin-bottom: 14px;
}
.step h3 { font-size: 1.1rem; margin-bottom: 6px; }
.step p { margin: 0; color: var(--ink-soft); }

/* ---------- screenshots ---------- */
.shots {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 22px;
}
.shot {
  margin: 0;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: var(--shadow);
  transition: transform .12s ease, box-shadow .12s ease;
}
.shot:hover { transform: translateY(-3px); box-shadow: var(--shadow-lg); }
.shot img {
  width: 100%;
  aspect-ratio: 16 / 10;
  object-fit: cover;
  object-position: top left;
  cursor: zoom-in;
  border-bottom: 1px solid var(--border);
}
.shot figcaption {
  padding: 14px 16px;
  font-size: .9rem;
  color: var(--ink-soft);
}

/* ---------- install ---------- */
.install {
  max-width: 860px;
  margin: 0 auto;
}
.tabs {
  display: inline-flex;
  gap: 4px;
  padding: 4px;
  background: #eef1f6;
  border: 1px solid var(--border);
  border-radius: 999px;
  margin-bottom: 22px;
}
.tab {
  border: 0;
  background: transparent;
  font-family: inherit;
  font-weight: 600;
  font-size: .92rem;
  color: var(--ink-soft);
  padding: .55em 1.2em;
  border-radius: 999px;
  cursor: pointer;
  transition: background .15s ease, color .15s ease;
}
.tab.is-active {
  background: #fff;
  color: var(--ink);
  box-shadow: var(--shadow);
}
.panel { display: none; }
.panel.is-active { display: block; animation: fade .2s ease; }
@keyframes fade { from { opacity: 0; transform: translateY(4px); } to { opacity: 1; transform: none; } }
.panel__lead { margin: 0 0 14px; color: var(--ink-soft); }
.panel__lead code,
.panel__note code {
  font-family: var(--mono);
  font-size: .88em;
  background: #eef1f6;
  border: 1px solid var(--border);
  border-radius: 6px;
  padding: .1em .4em;
  color: var(--ink);
}
.panel__note { margin: 14px 0 0; font-size: .9rem; color: var(--ink-faint); }

/* ---------- code block ---------- */
.code {
  position: relative;
  background: var(--code-bg);
  border-radius: var(--radius);
  border: 1px solid #1d2942;
  box-shadow: var(--shadow);
}
.code pre {
  margin: 0;
  padding: 22px 20px;
  overflow-x: auto;
}
.code code {
  font-family: var(--mono);
  font-size: .86rem;
  line-height: 1.7;
  color: var(--code-ink);
  white-space: pre;
}
.code__copy {
  position: absolute;
  top: 12px;
  right: 12px;
  font-family: inherit;
  font-size: .78rem;
  font-weight: 600;
  color: #cdd8ee;
  background: rgba(255, 255, 255, .08);
  border: 1px solid rgba(255, 255, 255, .16);
  border-radius: 8px;
  padding: .35em .7em;
  cursor: pointer;
  transition: background .15s ease, color .15s ease;
}
.code__copy:hover { background: rgba(255, 255, 255, .16); color: #fff; }
.code__copy.is-copied { background: var(--ok); border-color: var(--ok); color: #fff; }

/* ---------- trial ---------- */
.trial {
  max-width: 760px;
  margin: 36px auto 0;
  text-align: center;
  background: var(--brand-tint);
  border: 1px solid #d6e3ff;
  border-radius: var(--radius);
  padding: 28px 28px 30px;
}
.trial p { margin: 0 auto 18px; color: var(--ink); max-width: 620px; }

/* ---------- footer ---------- */
.footer {
  background: #0f1726;
  color: #b9c3d6;
  padding: 48px 0 28px;
}
.footer a { color: #cdd8ee; }
.footer .brand { color: #fff; }
.footer__inner {
  display: flex;
  justify-content: space-between;
  gap: 24px;
  flex-wrap: wrap;
  padding-bottom: 28px;
  border-bottom: 1px solid rgba(255, 255, 255, .1);
}
.footer__brand p { margin: 10px 0 0; color: #8b97ac; font-size: .92rem; max-width: 320px; }
.footer__links { display: flex; gap: 24px; flex-wrap: wrap; }
.footer__links a { color: #b9c3d6; font-size: .92rem; }
.footer__bottom {
  display: flex;
  justify-content: space-between;
  gap: 12px;
  flex-wrap: wrap;
  padding-top: 22px;
  color: #7c8aa3;
  font-size: .85rem;
}

/* ---------- lightbox ---------- */
.lightbox {
  position: fixed;
  inset: 0;
  z-index: 100;
  display: none;
  align-items: center;
  justify-content: center;
  padding: 32px;
  background: rgba(10, 16, 28, .86);
  backdrop-filter: blur(4px);
  cursor: zoom-out;
}
.lightbox.is-open { display: flex; }
.lightbox img {
  max-width: 92vw;
  max-height: 88vh;
  border-radius: 10px;
  box-shadow: 0 30px 80px rgba(0, 0, 0, .5);
}
.lightbox__close {
  position: absolute;
  top: 18px;
  right: 24px;
  font-size: 2rem;
  line-height: 1;
  color: #fff;
  background: transparent;
  border: 0;
  cursor: pointer;
}

/* ---------- responsive ---------- */
@media (max-width: 900px) {
  .hero__inner { grid-template-columns: 1fr; gap: 40px; padding: 60px 0 56px; }
  .hero__art { order: -1; }
  .grid--2 { grid-template-columns: 1fr; }
  .steps { grid-template-columns: 1fr; }
  .shots { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 720px) {
  .nav__links { display: none; }
}
@media (max-width: 560px) {
  .shots { grid-template-columns: 1fr; }
  .footer__inner, .footer__bottom { flex-direction: column; }
}