/* PMOVES.AI landing page
   ------------------------------------------------------------
   Dark theme primary. AA contrast. Mobile-first.
   System font stack — no external font requests.
   Gzipped target: under 15 KB. Current uncompressed ~ under 15 KB.
   ------------------------------------------------------------ */

:root {
  /* Brand palette */
  --c-bg:        #0b0b10;
  --c-bg-alt:    #0f0f17;
  --c-bg-raise:  #151521;
  --c-border:    #23233a;
  --c-ink:       #ededf5;       /* ~ AA on --c-bg */
  --c-ink-dim:   #b8b8c7;
  --c-ink-mute:  #8a8aa0;
  --c-accent:    #7C3AED;       /* DARKXSIDE purple */
  --c-accent-2:  #06b6d4;       /* cyan */
  --c-accent-ink:#ffffff;
  --c-warn:      #f59e0b;

  --radius-sm:  8px;
  --radius:     14px;
  --radius-lg:  22px;

  --f-sys: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Oxygen, Ubuntu, Cantarell, "Helvetica Neue", Arial, sans-serif;
  --f-mono: ui-monospace, SFMono-Regular, Menlo, Consolas, "Liberation Mono", monospace;

  --maxw: 1120px;
}

@media (prefers-color-scheme: light) {
  :root {
    --c-bg:       #fafafa;
    --c-bg-alt:   #ffffff;
    --c-bg-raise: #ffffff;
    --c-border:   #e4e4ef;
    --c-ink:      #15152a;
    --c-ink-dim:  #35354a;
    --c-ink-mute: #55556a;
  }
}

/* -------- reset-ish -------- */
*, *::before, *::after { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  font-family: var(--f-sys);
  font-size: 16px;
  line-height: 1.55;
  color: var(--c-ink);
  background: var(--c-bg);
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}
img, svg { max-width: 100%; height: auto; display: block; }
a { color: var(--c-ink); text-decoration: none; }
a:hover, a:focus-visible { color: var(--c-accent-2); }
:focus-visible {
  outline: 2px solid var(--c-accent-2);
  outline-offset: 3px;
  border-radius: 4px;
}
button { font: inherit; }

h1, h2, h3, h4 { line-height: 1.15; margin: 0 0 .4em; letter-spacing: -.01em; }
h1 { font-size: clamp(2.25rem, 6.5vw, 4.25rem); font-weight: 800; }
h2 { font-size: clamp(1.6rem, 3.6vw, 2.3rem); font-weight: 750; }
h3 { font-size: 1.12rem; font-weight: 650; letter-spacing: 0; }
p  { margin: 0 0 1rem; color: var(--c-ink-dim); }

.sr-only {
  position: absolute; width: 1px; height: 1px;
  padding: 0; margin: -1px; overflow: hidden;
  clip: rect(0,0,0,0); white-space: nowrap; border: 0;
}
.skip-link {
  position: absolute; left: .5rem; top: -40px;
  background: var(--c-accent); color: var(--c-accent-ink);
  padding: .5rem .75rem; border-radius: var(--radius-sm);
  z-index: 100; font-weight: 600;
}
.skip-link:focus { top: .5rem; }

.container {
  width: 100%;
  max-width: var(--maxw);
  margin: 0 auto;
  padding: 0 1.25rem;
}

.nowrap { white-space: nowrap; }

/* -------- header / nav -------- */
.site-header {
  position: sticky; top: 0; z-index: 50;
  background: color-mix(in srgb, var(--c-bg) 85%, transparent);
  backdrop-filter: saturate(140%) blur(10px);
  -webkit-backdrop-filter: saturate(140%) blur(10px);
  border-bottom: 1px solid var(--c-border);
}
.nav-row {
  display: flex; align-items: center; justify-content: space-between;
  min-height: 62px;
}
.brand {
  display: inline-flex; align-items: center; gap: .45rem;
  font-weight: 800; letter-spacing: .02em; font-size: 1.05rem;
  color: var(--c-ink);
}
.brand-mark { color: var(--c-accent); font-size: 1.1em; }
.brand-word { }
.brand-dim { color: var(--c-ink-mute); font-weight: 600; }

.site-nav {
  display: none;
  align-items: center; gap: 1.5rem;
}
.site-nav a {
  color: var(--c-ink-dim); font-weight: 500; font-size: .95rem;
}
.site-nav a:hover, .site-nav a:focus-visible { color: var(--c-ink); }
.nav-cta {
  color: var(--c-ink) !important;
  background: linear-gradient(135deg, var(--c-accent), var(--c-accent-2));
  padding: .45rem .85rem;
  border-radius: 999px;
  font-weight: 600 !important;
}

.nav-toggle {
  display: inline-flex; align-items: center; justify-content: center;
  width: 42px; height: 42px;
  background: transparent; border: 1px solid var(--c-border);
  color: var(--c-ink); border-radius: 10px; cursor: pointer;
}
.nav-toggle .bars {
  position: relative; display: inline-block;
  width: 18px; height: 2px; background: currentColor;
}
.nav-toggle .bars::before,
.nav-toggle .bars::after {
  content: ""; position: absolute; left: 0;
  width: 18px; height: 2px; background: currentColor;
}
.nav-toggle .bars::before { top: -6px; }
.nav-toggle .bars::after  { top:  6px; }

/* Mobile nav drawer */
body.nav-open .site-nav {
  display: flex;
  position: fixed; inset: 62px 0 0 0;
  flex-direction: column; align-items: flex-start; gap: 0;
  background: var(--c-bg);
  padding: 1.25rem;
  border-top: 1px solid var(--c-border);
  overflow-y: auto;
}
body.nav-open .site-nav a {
  padding: .9rem 0; width: 100%;
  border-bottom: 1px solid var(--c-border);
  font-size: 1.05rem;
}

@media (min-width: 860px) {
  .nav-toggle { display: none; }
  .site-nav { display: flex; }
}

/* -------- hero -------- */
.hero {
  position: relative; overflow: hidden;
  padding: clamp(3rem, 8vw, 6.5rem) 0 clamp(3rem, 7vw, 5.5rem);
}
.hero-inner { position: relative; z-index: 1; max-width: 880px; }
.eyebrow {
  display: inline-block;
  font-size: .78rem; letter-spacing: .14em; text-transform: uppercase;
  color: var(--c-ink-mute);
  margin: 0 0 1.1rem;
  padding: .3rem .65rem;
  border: 1px solid var(--c-border);
  border-radius: 999px;
}
.headline {
  margin: 0 0 1rem;
  color: var(--c-ink);
}
.headline .accent {
  background: linear-gradient(90deg, var(--c-accent), var(--c-accent-2));
  -webkit-background-clip: text; background-clip: text;
  color: transparent;
}
.subhead {
  font-size: clamp(1.05rem, 2.1vw, 1.22rem);
  color: var(--c-ink-dim);
  max-width: 42em;
}
.hero-ctas {
  display: flex; flex-wrap: wrap; gap: .7rem;
  margin-top: 1.75rem;
}
.hero-badges {
  list-style: none; padding: 0; margin: 2.5rem 0 0;
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1rem 1.25rem;
  max-width: 560px;
}
.hero-badges li {
  font-size: .9rem;
  color: var(--c-ink-mute);
}
.hero-badges strong {
  display: block;
  font-size: 1.5rem; font-weight: 750;
  color: var(--c-ink);
  letter-spacing: -.01em;
}
@media (min-width: 640px) {
  .hero-badges { grid-template-columns: repeat(4, 1fr); }
}

.hero-glow {
  position: absolute; pointer-events: none; z-index: 0;
  top: -10%; right: -15%;
  width: 70vw; height: 70vw;
  background: radial-gradient(circle at center,
    rgba(124,58,237,.35) 0%,
    rgba(6,182,212,.15) 35%,
    transparent 60%);
  filter: blur(40px);
}

/* -------- buttons -------- */
.btn {
  display: inline-flex; align-items: center; justify-content: center;
  padding: .85rem 1.2rem;
  border-radius: 12px;
  font-weight: 600; font-size: 1rem;
  border: 1px solid transparent;
  transition: transform .15s ease, background .2s ease, color .2s ease, border-color .2s ease;
  cursor: pointer; text-align: center;
}
.btn-primary {
  background: linear-gradient(135deg, var(--c-accent), var(--c-accent-2));
  color: #fff;
}
.btn-primary:hover,
.btn-primary:focus-visible {
  color: #fff;
  transform: translateY(-1px);
}
.btn-ghost {
  background: transparent;
  color: var(--c-ink);
  border-color: var(--c-border);
}
.btn-ghost:hover, .btn-ghost:focus-visible {
  color: var(--c-ink);
  border-color: var(--c-ink-dim);
  background: var(--c-bg-raise);
}

/* -------- sections / grids -------- */
.section {
  padding: clamp(3rem, 7vw, 5rem) 0;
  border-top: 1px solid var(--c-border);
}
.section-alt {
  background: var(--c-bg-alt);
}
.section-title { max-width: 22ch; }
.section-lede {
  max-width: 60ch;
  color: var(--c-ink-dim);
  font-size: 1.08rem;
  margin: .2rem 0 2rem;
}

.grid { display: grid; gap: 1rem; }
.grid-2 { grid-template-columns: 1fr; }
.grid-3 { grid-template-columns: 1fr; }
@media (min-width: 720px) {
  .grid-2 { grid-template-columns: 1fr 1fr; gap: 1.25rem; }
  .grid-3 { grid-template-columns: 1fr 1fr 1fr; gap: 1.25rem; }
}

.card {
  padding: 1.4rem 1.4rem 1.5rem;
  background: var(--c-bg-raise);
  border: 1px solid var(--c-border);
  border-radius: var(--radius);
  position: relative;
  transition: border-color .2s ease, transform .2s ease;
}
.card:hover { border-color: color-mix(in srgb, var(--c-accent) 55%, var(--c-border)); }
.card h3 { color: var(--c-ink); margin-bottom: .55rem; }
.card p { margin: 0 0 .5rem; }

.card-link { display: block; cursor: pointer; color: var(--c-ink); }
.card-link:hover { transform: translateY(-2px); }
.card-icon {
  width: 44px; height: 44px;
  display: flex; align-items: center; justify-content: center;
  border-radius: 12px;
  background: color-mix(in srgb, var(--c-accent) 15%, transparent);
  color: var(--c-accent-2);
  margin-bottom: .9rem;
}
.card-cta {
  display: inline-block;
  margin-top: .4rem;
  color: var(--c-accent-2);
  font-weight: 600;
  font-size: .95rem;
}

.card-school h3 { font-size: 1.25rem; }

.card-demo { display: flex; flex-direction: column; }
.card-demo .badge {
  align-self: flex-start;
  font-size: .72rem; letter-spacing: .1em; text-transform: uppercase;
  color: var(--c-warn);
  padding: .25rem .55rem;
  border: 1px solid color-mix(in srgb, var(--c-warn) 45%, var(--c-border));
  border-radius: 999px;
  margin-bottom: .8rem;
}

/* -------- flow (how it works) -------- */
.flow {
  list-style: none; padding: 0; margin: 0;
  display: grid; gap: 1rem;
}
@media (min-width: 860px) {
  .flow { grid-template-columns: repeat(4, 1fr); gap: 1.2rem; }
}
.flow-step {
  background: var(--c-bg-raise);
  border: 1px solid var(--c-border);
  border-radius: var(--radius);
  padding: 1.3rem;
  position: relative;
}
.flow-num {
  font-family: var(--f-mono);
  font-size: .85rem;
  color: var(--c-accent);
  margin-bottom: .6rem;
  letter-spacing: .05em;
}
.flow-step h3 { color: var(--c-ink); margin-bottom: .5rem; }

/* -------- mobile node -------- */
.mobile-node-inner {
  display: grid; gap: 2rem;
  align-items: center;
}
@media (min-width: 860px) {
  .mobile-node-inner { grid-template-columns: 1.15fr 1fr; gap: 3rem; }
}
.mobile-node-figure {
  margin: 0;
  padding: 1rem;
  background: var(--c-bg-raise);
  border: 1px solid var(--c-border);
  border-radius: var(--radius);
  color: var(--c-ink-dim);
}

/* -------- footer -------- */
.site-footer {
  background: var(--c-bg-alt);
  border-top: 1px solid var(--c-border);
  padding: 3rem 0 1.5rem;
  margin-top: 2rem;
}
.footer-inner {
  display: grid; gap: 2rem;
  grid-template-columns: 1fr;
}
@media (min-width: 720px) {
  .footer-inner { grid-template-columns: 1.2fr 2fr; }
}
.footer-brand .brand { font-size: 1.2rem; margin-bottom: .4rem; }
.footer-tag { color: var(--c-ink-mute); font-size: .9rem; }
.footer-tag a { color: var(--c-ink-dim); text-decoration: underline; }
.footer-links {
  display: grid; gap: 1.5rem;
  grid-template-columns: repeat(2, 1fr);
}
@media (min-width: 720px) {
  .footer-links { grid-template-columns: repeat(4, 1fr); gap: 2rem; }
}
.footer-links h4 {
  font-size: .8rem; letter-spacing: .14em; text-transform: uppercase;
  color: var(--c-ink-mute);
  margin-bottom: .7rem;
  font-weight: 600;
}
.footer-links ul { list-style: none; padding: 0; margin: 0; }
.footer-links li { margin: 0 0 .5rem; }
.footer-links a { color: var(--c-ink-dim); font-size: .93rem; }
.footer-links a:hover { color: var(--c-ink); }

.copy {
  margin-top: 2rem;
  padding-top: 1.5rem;
  border-top: 1px solid var(--c-border);
  color: var(--c-ink-mute);
  font-size: .85rem;
}

/* -------- reduced motion -------- */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    transition: none !important;
    animation: none !important;
  }
  .card-link:hover { transform: none; }
  .btn:hover { transform: none; }
}