/* ============================================================
   brianwallack.com — site-wide design system
   Dark athletic palette + Archivo type stack + noise overlay
   ============================================================ */

:root {
  --bg: #0a0a0a;
  --bg-elev: #141414;
  --bg-card: #181818;
  --border: #2a2a2a;
  --text: #f5f5f5;
  --text-dim: #a3a3a3;
  --text-mute: #6b6b6b;
  /* Coral accent — single primary, with a deeper coral for emphasis hits.
     Variable names kept (--lime / --orange) so existing HTML keeps working. */
  --lime: #ff7f50;        /* coral — primary accent */
  --lime-dim: #ff6347;    /* deeper coral — hover state */
  --orange: #ff5a36;      /* warm coral — secondary emphasis */
  --orange-dim: #e04a2c;  /* darker coral — hover for orange */

  --font-display: "Archivo Black", "Arial Black", system-ui, sans-serif;
  --font-body: "Archivo", system-ui, -apple-system, "Segoe UI", sans-serif;
  --font-mono: "JetBrains Mono", "SF Mono", Menlo, monospace;

  --radius-sm: 6px;
  --radius-md: 12px;
  --radius-lg: 20px;

  --container: 1180px;
  --gutter: clamp(20px, 4vw, 40px);
}

/* ---- reset ---- */
*, *::before, *::after { box-sizing: border-box; }
html, body { margin: 0; padding: 0; }
img, svg, video { display: block; max-width: 100%; height: auto; }
a { color: inherit; text-decoration: none; }
button { font: inherit; cursor: pointer; border: 0; background: transparent; color: inherit; }
input, textarea, select { font: inherit; color: inherit; }

html {
  background: var(--bg);
  color: var(--text);
  -webkit-text-size-adjust: 100%;
  scroll-behavior: smooth;
}

body {
  font-family: var(--font-body);
  font-size: 17px;
  line-height: 1.6;
  letter-spacing: 0.005em;
  min-height: 100vh;
  position: relative;
  overflow-x: hidden;
}

/* subtle noise overlay across the whole site */
body::before {
  content: "";
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: 100;
  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='0.85'/></svg>");
}

/* ---- typography ---- */
h1, h2, h3, h4 {
  font-family: var(--font-display);
  font-weight: 900;
  line-height: 1.05;
  letter-spacing: -0.01em;
  text-transform: uppercase;
  margin: 0 0 0.6em;
}
h1 { font-size: clamp(2.4rem, 6.5vw, 4.6rem); }
h2 { font-size: clamp(1.8rem, 4vw, 2.8rem); }
h3 { font-size: clamp(1.3rem, 2.4vw, 1.7rem); }
h4 { font-size: 1.1rem; letter-spacing: 0.04em; }

p { margin: 0 0 1em; color: var(--text-dim); }
p.lead { font-size: 1.15rem; color: var(--text); }

.eyebrow {
  font-family: var(--font-mono);
  font-size: 0.78rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--lime);
  margin: 0 0 1.2em;
  display: inline-block;
}

.mono { font-family: var(--font-mono); }

a.link {
  color: var(--lime);
  border-bottom: 1px solid currentColor;
  padding-bottom: 1px;
  transition: color .15s ease;
}
a.link:hover { color: var(--orange); }

/* ---- layout ---- */
.container {
  width: 100%;
  max-width: var(--container);
  margin: 0 auto;
  padding-left: var(--gutter);
  padding-right: var(--gutter);
}
.section { padding: clamp(60px, 9vw, 110px) 0; }
.section--tight { padding: clamp(40px, 6vw, 70px) 0; }

/* ---- nav ---- */
.site-nav {
  position: sticky;
  top: 0;
  z-index: 50;
  background: rgba(10,10,10,0.85);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  border-bottom: 1px solid var(--border);
}
.site-nav__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 18px var(--gutter);
  max-width: var(--container);
  margin: 0 auto;
}
.brand {
  font-family: var(--font-display);
  font-size: 1.05rem;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: var(--text);
}
.brand .dot { color: var(--lime); }
.nav-links {
  display: flex;
  gap: 28px;
  align-items: center;
  list-style: none;
  padding: 0;
  margin: 0;
}
.nav-links a {
  font-family: var(--font-mono);
  font-size: 0.82rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--text-dim);
  transition: color .15s;
}
.nav-links a:hover, .nav-links a[aria-current="page"] { color: var(--lime); }

.nav-toggle {
  display: none;
  width: 40px;
  height: 40px;
  align-items: center;
  justify-content: center;
}
.nav-toggle span {
  display: block;
  width: 22px;
  height: 2px;
  background: var(--text);
  position: relative;
}
.nav-toggle span::before, .nav-toggle span::after {
  content: ""; position: absolute; left: 0; width: 22px; height: 2px; background: var(--text);
}
.nav-toggle span::before { top: -7px; }
.nav-toggle span::after  { top: 7px; }

@media (max-width: 760px) {
  .nav-toggle { display: inline-flex; }
  .nav-links {
    position: absolute;
    top: 100%; left: 0; right: 0;
    flex-direction: column;
    background: var(--bg);
    padding: 24px var(--gutter);
    border-bottom: 1px solid var(--border);
    gap: 18px;
    align-items: flex-start;
    transform: translateY(-12px);
    opacity: 0;
    visibility: hidden;
    transition: all .2s ease;
  }
  .nav-links.is-open {
    transform: translateY(0); opacity: 1; visibility: visible;
  }
}

/* ---- buttons ---- */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 16px 26px;
  font-family: var(--font-display);
  font-size: 0.95rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  border-radius: var(--radius-sm);
  transition: transform .15s ease, background .15s ease, color .15s ease, box-shadow .15s ease;
  border: 1px solid transparent;
  white-space: nowrap;
}
.btn--primary { background: var(--lime); color: #0a0a0a; }
.btn--primary:hover { background: #fff; transform: translateY(-2px); box-shadow: 0 8px 24px rgba(255,127,80,0.30); }
.btn--ghost { background: transparent; color: var(--text); border-color: var(--border); }
.btn--ghost:hover { border-color: var(--lime); color: var(--lime); }
.btn--orange { background: var(--orange); color: #fff; }
.btn--orange:hover { background: var(--orange-dim); transform: translateY(-2px); }

/* ---- code chip with copy ---- */
.code-chip {
  display: inline-flex;
  align-items: stretch;
  border: 1px dashed var(--lime);
  border-radius: var(--radius-md);
  background: rgba(255,127,80,0.06);
  overflow: hidden;
  font-family: var(--font-mono);
}
.code-chip__label {
  padding: 14px 18px;
  font-size: 0.75rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--text-mute);
  border-right: 1px dashed var(--border);
  align-self: center;
}
.code-chip__code {
  padding: 14px 18px;
  font-size: 1.4rem;
  font-weight: 700;
  color: var(--lime);
  letter-spacing: 0.05em;
  align-self: center;
}
.code-chip__copy {
  padding: 0 22px;
  background: var(--lime);
  color: #0a0a0a;
  font-family: var(--font-display);
  font-size: 0.85rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  transition: background .15s, color .15s;
}
.code-chip__copy:hover { background: #fff; }
.code-chip__copy.is-copied { background: var(--orange); color: #fff; }

/* ---- cards ---- */
.card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 28px;
  transition: border-color .2s, transform .2s;
}
.card:hover { border-color: var(--lime); transform: translateY(-3px); }

.product-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  overflow: hidden;
  display: flex;
  flex-direction: column;
  transition: border-color .2s, transform .2s;
}
.product-card:hover { border-color: var(--lime); transform: translateY(-4px); }
.product-card__media {
  aspect-ratio: 4 / 5;
  background: #1f1f1f;
  overflow: hidden;
}
.product-card__media img {
  width: 100%; height: 100%; object-fit: cover;
  transition: transform .4s ease;
}
.product-card:hover .product-card__media img { transform: scale(1.04); }
.product-card__body { padding: 20px; display: flex; flex-direction: column; gap: 10px; flex: 1; }
.product-card__name {
  font-family: var(--font-display);
  font-size: 1.05rem;
  text-transform: uppercase;
  letter-spacing: 0.02em;
  margin: 0;
}
.product-card__why { font-size: 0.92rem; color: var(--text-dim); margin: 0; flex: 1; }
.product-card__cta {
  margin-top: 8px;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-family: var(--font-mono);
  font-size: 0.78rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--lime);
}
.product-card__cta::after { content: "→"; transition: transform .15s; }
.product-card:hover .product-card__cta::after { transform: translateX(4px); }

/* ---- grid utilities ---- */
.grid { display: grid; gap: 24px; }
.grid--2 { grid-template-columns: repeat(2, 1fr); }
.grid--3 { grid-template-columns: repeat(3, 1fr); }
.grid--4 { grid-template-columns: repeat(4, 1fr); }
@media (max-width: 900px) { .grid--3, .grid--4 { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 560px) { .grid--2, .grid--3, .grid--4 { grid-template-columns: 1fr; } }

/* ---- FAQ accordion ---- */
.faq { border-top: 1px solid var(--border); }
.faq details {
  border-bottom: 1px solid var(--border);
  padding: 22px 0;
}
.faq summary {
  cursor: pointer;
  list-style: none;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 20px;
  font-family: var(--font-display);
  font-size: 1.1rem;
  text-transform: uppercase;
  letter-spacing: 0.01em;
  color: var(--text);
}
.faq summary::-webkit-details-marker { display: none; }
.faq summary::after {
  content: "+";
  font-family: var(--font-mono);
  font-size: 1.6rem;
  color: var(--lime);
  transition: transform .2s;
}
.faq details[open] summary::after { content: "−"; }
.faq details > p, .faq details > div {
  margin-top: 14px;
  color: var(--text-dim);
}

/* ---- disclosure banner ---- */
.disclosure {
  font-family: var(--font-mono);
  font-size: 0.74rem;
  line-height: 1.55;
  color: var(--text-mute);
  letter-spacing: 0.02em;
  background: var(--bg-elev);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 14px 18px;
}
.disclosure strong { color: var(--text-dim); font-weight: 600; }

/* ---- hero ---- */
.hero {
  position: relative;
  padding: clamp(70px, 12vw, 140px) 0 clamp(50px, 8vw, 90px);
  overflow: hidden;
}
.hero::after {
  content: "";
  position: absolute;
  inset: 0;
  background:
    radial-gradient(circle at 80% 20%, rgba(255,127,80,0.12), transparent 55%),
    radial-gradient(circle at 10% 90%, rgba(255,90,54,0.10), transparent 60%);
  pointer-events: none;
}
.hero__inner { position: relative; z-index: 1; max-width: 920px; }
.hero h1 .accent { color: var(--lime); }
.hero h1 .accent-orange { color: var(--orange); }
.hero__meta {
  display: flex;
  flex-wrap: wrap;
  gap: 18px;
  margin-bottom: 24px;
  font-family: var(--font-mono);
  font-size: 0.78rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--text-mute);
}
.hero__meta span::before { content: "● "; color: var(--lime); margin-right: 4px; }

/* ---- footer ---- */
.site-footer {
  border-top: 1px solid var(--border);
  padding: 60px 0 40px;
  background: #050505;
}
.site-footer .container { display: grid; gap: 36px; }
.footer-grid {
  display: grid;
  grid-template-columns: 1.5fr 1fr 1fr;
  gap: 40px;
}
@media (max-width: 720px) { .footer-grid { grid-template-columns: 1fr; } }
.footer-grid h3 {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.18em;
  color: var(--text-mute);
  margin-bottom: 16px;
}
.footer-grid ul { list-style: none; padding: 0; margin: 0; display: grid; gap: 10px; }
.footer-grid a { color: var(--text-dim); transition: color .15s; }
.footer-grid a:hover { color: var(--lime); }
.footer-bottom {
  display: flex;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 16px;
  border-top: 1px solid var(--border);
  padding-top: 24px;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  color: var(--text-mute);
  letter-spacing: 0.05em;
}

/* ---- breadcrumbs ---- */
.crumbs {
  font-family: var(--font-mono);
  font-size: 0.74rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--text-mute);
  margin-bottom: 28px;
}
.crumbs a { color: var(--text-dim); }
.crumbs a:hover { color: var(--lime); }
.crumbs span { color: var(--text); }
.crumbs .sep { margin: 0 10px; color: var(--text-mute); }

/* ---- forms ---- */
.field {
  display: flex; flex-direction: column; gap: 8px; margin-bottom: 20px;
}
.field label {
  font-family: var(--font-mono);
  font-size: 0.74rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--text-mute);
}
.field input, .field select, .field textarea {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 14px 16px;
  font-family: var(--font-body);
  color: var(--text);
  transition: border-color .15s;
}
.field input:focus, .field select:focus, .field textarea:focus {
  outline: none; border-color: var(--lime);
}
.field textarea { min-height: 140px; resize: vertical; }

/* ---- blog post body ---- */
.post-body { max-width: 720px; }
.post-body p, .post-body li { font-size: 1.08rem; line-height: 1.75; }
.post-body h2, .post-body h3 { margin-top: 1.6em; }
.post-body ul, .post-body ol { padding-left: 1.4em; }
.post-body img {
  border-radius: var(--radius-md);
  margin: 1.5em 0;
}

/* ---- helpers ---- */
.stack { display: flex; flex-direction: column; gap: 14px; }
.row { display: flex; flex-wrap: wrap; gap: 14px; align-items: center; }
.row--between { justify-content: space-between; }
.center { text-align: center; }
.mt-0 { margin-top: 0; }
.muted { color: var(--text-mute); }
.dim { color: var(--text-dim); }

/* ---- skip link (a11y) ---- */
.skip-link {
  position: absolute;
  left: -10000px; top: auto;
  width: 1px; height: 1px; overflow: hidden;
}
.skip-link:focus {
  position: fixed; top: 12px; left: 12px; width: auto; height: auto;
  background: var(--lime); color: #0a0a0a; padding: 10px 14px;
  font-family: var(--font-mono); font-size: 0.85rem;
  border-radius: var(--radius-sm);
  z-index: 200;
}

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