/* =========================================================
   PunkCFO — styles.css
   Dark theme, hot-pink accent. System-friendly, responsive.
   ========================================================= */

/* ---------- Design tokens ---------- */
:root {
  /* Colours */
  --bg:         #0a0a0a;
  --bg-elev:    #131313;
  --bg-card:    #161616;
  --bg-card-2:  #1b1b1b;
  --line:       rgba(255, 255, 255, 0.08);
  --line-strong: rgba(255, 255, 255, 0.14);
  --fg:         #f1f1f1;
  --fg-muted:   #a0a0a0;
  --fg-dim:     #6e6e6e;

  --accent:     #ff1e86;          /* PunkCFO hot pink */
  --accent-2:   #ff5aa8;
  --accent-ink: #0a0a0a;          /* text on accent backgrounds */
  --accent-glow: 0 0 40px rgba(255, 30, 134, 0.35);

  /* Typography */
  --font-sans:  'Inter', ui-sans-serif, system-ui, -apple-system, Segoe UI, Roboto, sans-serif;
  --font-display:'Space Grotesk', 'Inter', ui-sans-serif, system-ui, sans-serif;
  --font-mono:  'JetBrains Mono', ui-monospace, 'SF Mono', Consolas, Menlo, monospace;

  /* Sizing */
  --radius:     12px;
  --radius-sm:  8px;
  --radius-lg:  18px;
  --container:  1120px;

  /* Motion */
  --ease:       cubic-bezier(.2, .7, .2, 1);
}

/* ---------- Reset-ish ---------- */
*, *::before, *::after { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--fg);
  font-family: var(--font-sans);
  font-size: 16px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  font-feature-settings: "ss01", "cv11";
  /* Subtle vignette + grain for "punk" texture */
  background-image:
    radial-gradient(1200px 600px at 80% -10%, rgba(255, 30, 134, 0.08), transparent 60%),
    radial-gradient(900px 500px at -10% 10%, rgba(255, 30, 134, 0.05), transparent 60%);
  background-attachment: fixed;
}

img, svg { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
button { font: inherit; cursor: pointer; background: none; border: 0; color: inherit; }
h1, h2, h3, h4 {
  font-family: var(--font-display);
  font-weight: 700;
  line-height: 1.1;
  letter-spacing: -0.02em;
  margin: 0 0 .6em;
}
p { margin: 0 0 1em; }
ul, ol { margin: 0; padding: 0; list-style: none; }

::selection { background: var(--accent); color: var(--accent-ink); }

/* Skip link */
.skip-link {
  position: absolute;
  left: -9999px;
  top: 0;
  background: var(--accent);
  color: var(--accent-ink);
  padding: .5rem 1rem;
  font-weight: 600;
  z-index: 100;
}
.skip-link:focus { left: 8px; top: 8px; }

/* ---------- Layout ---------- */
.container {
  width: min(var(--container), 100% - 2.5rem);
  margin-inline: auto;
}

/* Utility */
.accent { color: var(--accent); }
.muted  { color: var(--fg-muted); }

.section-label {
  font-family: var(--font-mono);
  font-size: .78rem;
  letter-spacing: .08em;
  text-transform: uppercase;
  color: var(--fg-dim);
  margin: 0 0 1.25rem;
}

.section-head { margin-bottom: 3rem; max-width: 680px; }
.section-head h2 {
  font-size: clamp(1.8rem, 4.5vw, 2.8rem);
  margin-bottom: .5rem;
}
.section-sub {
  color: var(--fg-muted);
  font-size: 1.05rem;
  margin: 0;
}

/* ---------- Header / Nav ---------- */
.site-header {
  position: sticky;
  top: 0;
  z-index: 40;
  backdrop-filter: saturate(140%) blur(10px);
  -webkit-backdrop-filter: saturate(140%) blur(10px);
  background: rgba(10, 10, 10, .72);
  border-bottom: 1px solid var(--line);
}
.nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 1rem 0;
  gap: 1rem;
}
.logo {
  display: inline-flex;
  align-items: center;
  gap: .6rem;
  font-family: var(--font-display);
  font-weight: 700;
  letter-spacing: -0.01em;
  font-size: 1.05rem;
}
.logo__mark {
  display: grid;
  place-items: center;
  width: 30px; height: 30px;
  background: var(--accent);
  color: var(--accent-ink);
  border-radius: 6px;
  font-family: var(--font-mono);
  font-weight: 800;
  font-size: 1rem;
  box-shadow: var(--accent-glow);
}
.logo__text { color: var(--fg); }
.logo__accent { color: var(--accent); }

.nav__links {
  display: flex;
  align-items: center;
  gap: 1.75rem;
  font-size: .95rem;
}
.nav__links a {
  color: var(--fg-muted);
  transition: color .2s var(--ease);
}
.nav__links a:hover,
.nav__links a:focus-visible { color: var(--fg); }
.nav__links a.nav__cta {
  color: var(--accent-ink);
  background: var(--accent);
  padding: .55rem 1rem;
  border-radius: 999px;
  font-weight: 600;
}
.nav__links a.nav__cta:hover { background: var(--accent-2); color: var(--accent-ink); }

.nav__toggle {
  display: none;
  width: 40px; height: 40px;
  border-radius: 8px;
  border: 1px solid var(--line);
  padding: 10px 8px;
  flex-direction: column;
  gap: 4px;
}
.nav__toggle span {
  display: block;
  height: 2px;
  background: var(--fg);
  border-radius: 2px;
  transition: transform .25s var(--ease), opacity .2s var(--ease);
}

/* ---------- Hero ---------- */
.hero {
  position: relative;
  padding: clamp(4rem, 10vw, 8rem) 0 clamp(3rem, 6vw, 5rem);
  overflow: hidden;
}
.hero__inner { position: relative; z-index: 1; max-width: 860px; }

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: .55rem;
  font-family: var(--font-mono);
  font-size: .82rem;
  letter-spacing: .05em;
  text-transform: uppercase;
  color: var(--fg-muted);
  padding: .4rem .8rem;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: var(--bg-elev);
  margin: 0 0 1.5rem;
}
.dot {
  display: inline-block;
  width: 8px; height: 8px;
  border-radius: 50%;
  background: var(--accent);
  box-shadow: 0 0 10px rgba(255, 30, 134, .8);
  animation: pulse 2.2s infinite;
}
@keyframes pulse {
  0%, 100% { opacity: 1; transform: scale(1); }
  50% { opacity: .55; transform: scale(.8); }
}

.hero__title {
  font-size: clamp(2.4rem, 7vw, 5rem);
  line-height: 1.02;
  letter-spacing: -0.035em;
  margin: 0 0 1.25rem;
}
.hero__lede {
  font-size: clamp(1.05rem, 1.6vw, 1.2rem);
  color: var(--fg-muted);
  max-width: 62ch;
  margin: 0 0 2rem;
}

.hero__cta {
  display: flex;
  flex-wrap: wrap;
  gap: .75rem;
  margin-bottom: 3rem;
}

.hero__stats {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 1rem;
  margin: 0;
  padding: 1.25rem;
  background: linear-gradient(180deg, var(--bg-card), var(--bg-elev));
  border: 1px solid var(--line);
  border-radius: var(--radius);
  max-width: 620px;
}
.hero__stats > div { min-width: 0; }
.hero__stats dt {
  font-family: var(--font-mono);
  font-size: .72rem;
  text-transform: uppercase;
  letter-spacing: .08em;
  color: var(--fg-dim);
  margin-bottom: .2rem;
}
.hero__stats dd {
  margin: 0;
  font-weight: 600;
  font-size: .95rem;
}

/* Decorative grid behind hero */
.hero__grid {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(var(--line) 1px, transparent 1px),
    linear-gradient(90deg, var(--line) 1px, transparent 1px);
  background-size: 48px 48px;
  mask-image: radial-gradient(ellipse at 70% 10%, black 40%, transparent 75%);
  -webkit-mask-image: radial-gradient(ellipse at 70% 10%, black 40%, transparent 75%);
  opacity: .5;
  pointer-events: none;
  z-index: 0;
}

/* ---------- Buttons ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: .5rem;
  padding: .85rem 1.25rem;
  font-weight: 600;
  font-size: .98rem;
  border-radius: 999px;
  border: 1px solid transparent;
  transition: transform .15s var(--ease), background .2s var(--ease), color .2s var(--ease), border-color .2s var(--ease), box-shadow .2s var(--ease);
  will-change: transform;
}
.btn:hover { transform: translateY(-1px); }
.btn--primary {
  background: var(--accent);
  color: var(--accent-ink);
  box-shadow: var(--accent-glow);
}
.btn--primary:hover { background: var(--accent-2); box-shadow: 0 0 55px rgba(255, 30, 134, .45); }
.btn--ghost {
  background: transparent;
  color: var(--fg);
  border-color: var(--line-strong);
}
.btn--ghost:hover { border-color: var(--accent); color: var(--accent); }

/* ---------- Intro ---------- */
.intro { padding: 3rem 0 2rem; }
.intro__inner { max-width: 780px; }
.intro__text { font-size: clamp(1.15rem, 1.7vw, 1.4rem); line-height: 1.55; }
.intro__text strong { color: var(--fg); }
.intro__text.muted { color: var(--fg-muted); }

/* ---------- Services ---------- */
.services { padding: clamp(4rem, 7vw, 6rem) 0; }

.service-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 1rem;
}
.service {
  position: relative;
  padding: 1.75rem;
  background: var(--bg-card);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  transition: transform .2s var(--ease), border-color .2s var(--ease), background .2s var(--ease);
}
.service:hover {
  transform: translateY(-2px);
  border-color: var(--line-strong);
  background: var(--bg-card-2);
}
.service__num {
  font-family: var(--font-mono);
  color: var(--accent);
  font-size: .82rem;
  letter-spacing: .06em;
  margin-bottom: 1rem;
}
.service h3 {
  font-size: 1.35rem;
  margin-bottom: .6rem;
  display: flex;
  align-items: center;
  gap: .6rem;
  flex-wrap: wrap;
}
.service p { color: var(--fg-muted); margin-bottom: 1rem; }
.service__bullets { display: grid; gap: .45rem; }
.service__bullets li {
  position: relative;
  padding-left: 1.25rem;
  color: var(--fg);
  font-size: .95rem;
}
.service__bullets li::before {
  content: "";
  position: absolute;
  left: 0; top: .55em;
  width: 8px; height: 2px;
  background: var(--accent);
}
.service--muted { opacity: .85; }
.tag {
  font-family: var(--font-mono);
  font-size: .65rem;
  letter-spacing: .1em;
  text-transform: uppercase;
  color: var(--fg-dim);
  border: 1px solid var(--line-strong);
  padding: 2px 8px;
  border-radius: 999px;
}

/* ---------- Who ---------- */
.who { padding: clamp(4rem, 7vw, 6rem) 0; border-top: 1px solid var(--line); }
.who-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 1rem;
}
.who-card {
  padding: 1.75rem;
  background: linear-gradient(180deg, var(--bg-card), var(--bg-elev));
  border: 1px solid var(--line);
  border-radius: var(--radius);
  display: flex;
  flex-direction: column;
  gap: .5rem;
  transition: transform .2s var(--ease), border-color .2s var(--ease);
}
.who-card:hover { transform: translateY(-2px); border-color: var(--accent); }
.who-card h3 {
  font-size: 1.35rem;
  margin: 0;
}
.who-card__tag {
  font-family: var(--font-mono);
  font-size: .8rem;
  color: var(--accent);
  margin: 0;
}
.who-card p { color: var(--fg-muted); margin: 0; }
.who-card__link {
  font-family: var(--font-mono);
  font-size: .78rem;
  letter-spacing: .05em;
  text-transform: uppercase;
  margin-top: auto;
  padding-top: .75rem;
}

/* ---------- How ---------- */
.how { padding: clamp(4rem, 7vw, 6rem) 0; border-top: 1px solid var(--line); }
.how__inner { }
.how-steps {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 1rem;
  counter-reset: step;
}
.how-steps li {
  position: relative;
  padding: 1.5rem;
  background: var(--bg-card);
  border: 1px solid var(--line);
  border-radius: var(--radius);
}
.how-steps__n {
  font-family: var(--font-mono);
  font-size: .82rem;
  color: var(--accent);
  letter-spacing: .05em;
}
.how-steps h3 {
  font-size: 1.15rem;
  margin: .4rem 0 .5rem;
}
.how-steps p { color: var(--fg-muted); margin: 0; font-size: .95rem; }

/* ---------- Work (logo strip) ---------- */
.work { padding: clamp(4rem, 7vw, 6rem) 0; border-top: 1px solid var(--line); }
.logo-strip {
  display: flex;
  flex-wrap: wrap;
  gap: .5rem .75rem;
  align-items: center;
}
.logo-strip li {
  font-family: var(--font-mono);
  font-size: .92rem;
  color: var(--fg);
  padding: .7rem 1.1rem;
  border: 1px solid var(--line-strong);
  border-radius: 999px;
  background: var(--bg-card);
}
.logo-strip__placeholder {
  color: var(--fg-dim) !important;
  border-style: dashed !important;
  background: transparent !important;
}

/* ---------- Contact ---------- */
.contact {
  padding: clamp(4rem, 8vw, 7rem) 0;
  border-top: 1px solid var(--line);
  position: relative;
  overflow: hidden;
}
.contact::before {
  content: "";
  position: absolute;
  inset: -2px;
  background:
    radial-gradient(600px 300px at 50% 0%, rgba(255, 30, 134, 0.18), transparent 70%);
  pointer-events: none;
}
.contact__inner { position: relative; text-align: left; max-width: 780px; }
.contact__title {
  font-size: clamp(2rem, 5vw, 3.2rem);
  line-height: 1.05;
  margin: 0 0 1rem;
}
.contact__lede { color: var(--fg-muted); max-width: 60ch; margin: 0 0 2rem; }
.contact__actions { display: flex; flex-wrap: wrap; gap: .75rem; }

/* ---------- Footer ---------- */
.site-footer {
  border-top: 1px solid var(--line);
  padding: 2.25rem 0 3rem;
  background: var(--bg);
}
.footer__inner {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 1.25rem 2rem;
  align-items: center;
}
.footer__brand {
  display: inline-flex;
  align-items: center;
  gap: .6rem;
  color: var(--fg-muted);
  font-size: .95rem;
}
.footer__nav {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem 1.25rem;
  font-size: .95rem;
}
.footer__nav a {
  color: var(--fg-muted);
  transition: color .2s var(--ease);
}
.footer__nav a:hover { color: var(--fg); }
.footer__meta {
  grid-column: 1 / -1;
  color: var(--fg-dim);
  font-family: var(--font-mono);
  font-size: .78rem;
  letter-spacing: .04em;
  margin: 0;
}

/* ---------- Focus ---------- */
:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 3px;
  border-radius: 4px;
}

/* ---------- Responsive ---------- */
@media (max-width: 820px) {
  .nav__toggle { display: inline-flex; }
  .nav__links {
    position: absolute;
    inset: 100% 0 auto 0;
    flex-direction: column;
    align-items: stretch;
    gap: 0;
    padding: .5rem 1.25rem 1.25rem;
    background: var(--bg-elev);
    border-bottom: 1px solid var(--line);
    transform: translateY(-8px);
    opacity: 0;
    pointer-events: none;
    transition: transform .2s var(--ease), opacity .2s var(--ease);
  }
  .nav__links a {
    padding: .85rem 0;
    border-bottom: 1px solid var(--line);
  }
  .nav__links a:last-child { border-bottom: 0; }
  .nav__links a.nav__cta {
    margin-top: .75rem;
    text-align: center;
    border-radius: 10px;
    padding: .85rem 1rem;
  }
  .site-header[data-nav-open="true"] .nav__links {
    opacity: 1;
    transform: translateY(0);
    pointer-events: auto;
  }
  .site-header[data-nav-open="true"] .nav__toggle span:nth-child(1) { transform: translateY(6px) rotate(45deg); }
  .site-header[data-nav-open="true"] .nav__toggle span:nth-child(2) { opacity: 0; }
  .site-header[data-nav-open="true"] .nav__toggle span:nth-child(3) { transform: translateY(-6px) rotate(-45deg); }

  .hero__stats { grid-template-columns: 1fr 1fr; }
  .footer__inner { grid-template-columns: 1fr; }
}

@media (max-width: 520px) {
  .hero__stats { grid-template-columns: 1fr; }
}

/* Reduced motion */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: .01ms !important;
    transition-duration: .01ms !important;
  }
  html { scroll-behavior: auto; }
}