/* =====================================================================
   Bright Current Media — Design System
   Relationship infrastructure powered by media.
   Zero-dependency stylesheet. Near-black canvas, teal current, warm gold.
   ===================================================================== */

/* ---------- Design tokens ---------- */
:root {
  --bg:            #0b0b0b;
  --bg-raise:      #121314;
  --bg-panel:      #17191b;
  --bg-panel-2:    #1d1f22;
  --line:          #2a2d31;
  --line-soft:     #202225;

  --ink:           #f4f6f7;
  --ink-muted:     #b7bec4;
  --ink-dim:       #8b9299;

  --teal:          #00c2d4;
  --teal-bright:   #3ad8e6;
  --teal-deep:     #0a3f47;
  --teal-glow:     rgba(0, 194, 212, 0.14);

  --gold:          #e0a75f;
  --gold-soft:     rgba(224, 167, 95, 0.14);

  --danger:        #ff6b6b;
  --ok:            #57d9a3;

  --maxw:          1180px;
  --gutter:        clamp(1.15rem, 4vw, 2.5rem);
  --radius:        14px;
  --radius-sm:     9px;

  --shadow:        0 22px 60px -30px rgba(0,0,0,0.9);

  --font: "Inter", system-ui, -apple-system, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;

  --step--1: clamp(0.82rem, 0.79rem + 0.15vw, 0.9rem);
  --step-0:  clamp(1rem, 0.96rem + 0.2vw, 1.08rem);
  --step-1:  clamp(1.2rem, 1.1rem + 0.5vw, 1.45rem);
  --step-2:  clamp(1.5rem, 1.3rem + 1vw, 2rem);
  --step-3:  clamp(2rem, 1.6rem + 2vw, 3rem);
  --step-4:  clamp(2.6rem, 2rem + 3vw, 4.25rem);
}

/* ---------- Reset ---------- */
*, *::before, *::after { box-sizing: border-box; }
* { margin: 0; }
html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; }
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { animation-duration: 0.001ms !important; animation-iteration-count: 1 !important; transition-duration: 0.001ms !important; }
}

body {
  font-family: var(--font);
  font-size: var(--step-0);
  line-height: 1.65;
  color: var(--ink-muted);
  background: var(--bg);
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
  overflow-x: hidden;
}

img, svg { display: block; max-width: 100%; height: auto; }
a { color: var(--teal-bright); text-decoration: none; }
a:hover { color: var(--teal); }

h1, h2, h3, h4 { color: var(--ink); line-height: 1.12; font-weight: 700; letter-spacing: -0.02em; }
h2 { font-size: var(--step-3); }
h3 { font-size: var(--step-1); letter-spacing: -0.01em; }
p { color: var(--ink-muted); }
strong { color: var(--ink); font-weight: 650; }

/* ---------- Accessibility helpers ---------- */
.skip-link {
  position: absolute; left: 12px; top: -60px;
  background: var(--teal); color: #002; font-weight: 700;
  padding: 0.6rem 1rem; border-radius: 8px; z-index: 999;
  transition: top 0.15s ease;
}
.skip-link:focus { top: 12px; color: #002; }

:where(a, button, input, textarea, select, [tabindex]):focus-visible {
  outline: 3px solid var(--teal-bright);
  outline-offset: 2px;
  border-radius: 4px;
}
.visually-hidden {
  position: absolute !important; width: 1px; height: 1px;
  padding: 0; margin: -1px; overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; border: 0;
}

/* ---------- Layout ---------- */
.container { width: 100%; max-width: var(--maxw); margin-inline: auto; padding-inline: var(--gutter); }
.section { padding-block: clamp(3.5rem, 7vw, 6.5rem); }
.section--tight { padding-block: clamp(2.5rem, 5vw, 4rem); }
.section-head { max-width: 62ch; margin-bottom: clamp(2rem, 4vw, 3rem); }
.section-head.center { margin-inline: auto; text-align: center; }
.eyebrow {
  display: inline-flex; align-items: center; gap: 0.55rem;
  font-size: var(--step--1); font-weight: 650; letter-spacing: 0.14em; text-transform: uppercase;
  color: var(--teal); margin-bottom: 1rem;
}
.eyebrow::before { content: ""; width: 26px; height: 1px; background: var(--teal); opacity: 0.8; }
.center .eyebrow::before { display: none; }
.lede { font-size: var(--step-1); color: var(--ink-muted); line-height: 1.5; }

/* ---------- Buttons ---------- */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 0.55rem;
  font: inherit; font-weight: 650; font-size: var(--step-0);
  padding: 0.85rem 1.5rem; border-radius: 999px; border: 1px solid transparent;
  cursor: pointer; transition: transform 0.15s ease, background 0.2s ease, border-color 0.2s ease, color 0.2s ease;
  text-align: center; line-height: 1.1;
}
.btn:active { transform: translateY(1px); }
.btn--primary { background: var(--teal); color: #001417; box-shadow: 0 10px 30px -12px var(--teal); }
.btn--primary:hover { background: var(--teal-bright); color: #001417; }
.btn--ghost { background: transparent; color: var(--ink); border-color: var(--line); }
.btn--ghost:hover { border-color: var(--teal); color: var(--teal-bright); }
.btn--gold { background: transparent; color: var(--gold); border-color: rgba(224,167,95,0.5); }
.btn--gold:hover { background: var(--gold-soft); color: var(--gold); }
.btn-row { display: flex; flex-wrap: wrap; gap: 0.85rem; }
.btn .arrow { transition: transform 0.15s ease; }
.btn:hover .arrow { transform: translateX(3px); }

/* ---------- Header / Nav ---------- */
.site-header {
  position: sticky; top: 0; z-index: 100;
  background: rgba(11,11,11,0.82);
  backdrop-filter: saturate(140%) blur(12px);
  border-bottom: 1px solid var(--line-soft);
}
.nav { display: flex; align-items: center; justify-content: space-between; gap: 1rem; padding-block: 0.85rem; }
.brand { display: inline-flex; align-items: center; gap: 0.7rem; }
.brand img { height: 34px; width: auto; }
.nav-links { display: flex; align-items: center; gap: 0.35rem; list-style: none; padding: 0; }
.nav-links a {
  color: var(--ink-muted); font-weight: 550; font-size: 0.95rem;
  padding: 0.5rem 0.8rem; border-radius: 8px; transition: color 0.15s ease, background 0.15s ease;
}
.nav-links a:hover { color: var(--ink); background: var(--bg-panel); }
.nav-links a[aria-current="page"] { color: var(--teal-bright); }
.nav-actions { display: flex; align-items: center; gap: 0.6rem; }
.nav-toggle {
  display: none; background: transparent; border: 1px solid var(--line); color: var(--ink);
  width: 44px; height: 44px; border-radius: 10px; cursor: pointer;
}
.nav-toggle svg { margin-inline: auto; }

@media (max-width: 900px) {
  .nav-links, .nav-actions .btn { display: none; }
  .nav-toggle { display: inline-flex; align-items: center; }
  .mobile-menu { display: block; }
}
.mobile-menu {
  display: none;
  border-top: 1px solid var(--line-soft);
  background: var(--bg-raise);
  padding: 0.75rem var(--gutter) 1.25rem;
}
.mobile-menu[hidden] { display: none; }
.mobile-menu ul { list-style: none; padding: 0; display: grid; gap: 0.15rem; }
.mobile-menu a {
  display: block; color: var(--ink); padding: 0.75rem 0.5rem; border-radius: 8px;
  border-bottom: 1px solid var(--line-soft); font-weight: 550;
}
.mobile-menu a[aria-current="page"] { color: var(--teal-bright); }
.mobile-menu .btn { width: 100%; margin-top: 0.9rem; }

/* ---------- Hero ---------- */
.hero { position: relative; overflow: hidden; padding-block: clamp(3.5rem, 8vw, 7rem); }
.hero::before {
  content: ""; position: absolute; inset: 0; z-index: 0;
  background:
    radial-gradient(60% 55% at 78% 12%, var(--teal-glow), transparent 62%),
    radial-gradient(48% 40% at 8% 90%, rgba(224,167,95,0.07), transparent 60%);
  pointer-events: none;
}
.hero-grid {
  position: absolute; inset: 0; z-index: 0; opacity: 0.5;
  background-image:
    linear-gradient(var(--line-soft) 1px, transparent 1px),
    linear-gradient(90deg, var(--line-soft) 1px, transparent 1px);
  background-size: 64px 64px;
  -webkit-mask-image: radial-gradient(75% 65% at 60% 30%, #000 40%, transparent 80%);
          mask-image: radial-gradient(75% 65% at 60% 30%, #000 40%, transparent 80%);
}
.hero .container { position: relative; z-index: 1; }
.hero-inner { max-width: 40ch; }
.hero h1 { font-size: var(--step-4); letter-spacing: -0.035em; color: var(--ink); }
.hero h1 .accent { color: var(--teal); }
.hero-sub { margin-top: 1.4rem; font-size: var(--step-1); max-width: 46ch; }
.hero .btn-row { margin-top: 2.2rem; }
.hero-tag {
  margin-top: 2.4rem; display: inline-flex; align-items: center; gap: 0.6rem;
  font-size: var(--step--1); letter-spacing: 0.03em; color: var(--ink-dim);
  padding-top: 1.4rem; border-top: 1px solid var(--line-soft);
}
.hero-tag b { color: var(--gold); font-weight: 600; }

/* ---------- Generic surfaces ---------- */
.panel {
  background: var(--bg-panel); border: 1px solid var(--line-soft);
  border-radius: var(--radius); padding: clamp(1.4rem, 3vw, 2rem);
}
.divider { height: 1px; background: var(--line-soft); border: 0; }

/* ---------- Grids ---------- */
.grid { display: grid; gap: 1.15rem; }
.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: 860px) { .grid-3, .grid-4 { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 560px) { .grid-2, .grid-3, .grid-4 { grid-template-columns: 1fr; } }

/* ---------- Audience cards (Who We Help) ---------- */
.audience {
  position: relative; background: var(--bg-panel); border: 1px solid var(--line-soft);
  border-radius: var(--radius); padding: 1.5rem 1.4rem; overflow: hidden;
  transition: border-color 0.2s ease, transform 0.2s ease;
}
.audience:hover { border-color: var(--teal-deep); transform: translateY(-3px); }
.audience::after {
  content: ""; position: absolute; left: 1.4rem; top: 0; width: 34px; height: 3px; background: var(--teal);
  border-radius: 0 0 3px 3px;
}
.audience h3 { font-size: var(--step-1); margin-bottom: 0.5rem; }
.audience p { font-size: 0.98rem; }

/* ---------- Four-part model (Capture/Funnel/Control/Monetize) ---------- */
.pillars { counter-reset: pillar; display: grid; gap: 1rem; grid-template-columns: repeat(4, 1fr); }
@media (max-width: 900px) { .pillars { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 520px) { .pillars { grid-template-columns: 1fr; } }
.pillar {
  position: relative; padding: 1.6rem 1.35rem; border-radius: var(--radius);
  background: linear-gradient(180deg, var(--bg-panel), var(--bg-raise));
  border: 1px solid var(--line-soft);
}
.pillar .num {
  font-size: 0.8rem; font-weight: 700; letter-spacing: 0.12em; color: var(--teal);
  display: inline-block; margin-bottom: 0.9rem;
}
.pillar h3 { font-size: var(--step-1); margin-bottom: 0.5rem; }
.pillar p { font-size: 0.96rem; }
.pillar::before {
  content: ""; position: absolute; right: 1.35rem; top: 1.5rem; width: 9px; height: 9px;
  border-radius: 50%; background: var(--teal); box-shadow: 0 0 0 4px var(--teal-glow);
}

/* ---------- Capability list (asymmetric, not identical cards) ---------- */
.capabilities { display: grid; gap: 0; border-top: 1px solid var(--line); }
.capability {
  display: grid; grid-template-columns: 3rem 1fr; gap: 1.2rem;
  padding: 1.5rem 0; border-bottom: 1px solid var(--line);
  align-items: start;
}
.capability .cap-index { color: var(--teal); font-weight: 700; font-size: 0.95rem; padding-top: 0.2rem; }
.capability h3 { font-size: var(--step-1); margin-bottom: 0.4rem; }
.capability p { max-width: 60ch; }
@media (max-width: 560px) { .capability { grid-template-columns: 1fr; gap: 0.4rem; } }

/* ---------- How it works (stepped) ---------- */
.steps { display: grid; gap: 1rem; grid-template-columns: repeat(4, 1fr); counter-reset: step; }
@media (max-width: 900px) { .steps { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 520px) { .steps { grid-template-columns: 1fr; } }
.step { position: relative; padding: 1.5rem 1.3rem; border-radius: var(--radius); background: var(--bg-raise); border: 1px solid var(--line-soft); }
.step .step-num {
  font-size: 2rem; font-weight: 800; letter-spacing: -0.04em;
  color: transparent; -webkit-text-stroke: 1.4px var(--teal); text-stroke: 1.4px var(--teal);
  line-height: 1; margin-bottom: 0.7rem; display: block;
}
.step h3 { font-size: 1.08rem; }

/* ---------- Work / case cards ---------- */
.case { display: flex; flex-direction: column; background: var(--bg-panel); border: 1px solid var(--line-soft); border-radius: var(--radius); overflow: hidden; }
.case-body { padding: 1.5rem 1.4rem; display: flex; flex-direction: column; gap: 0.7rem; flex: 1; }
.case h3 { font-size: var(--step-1); }
.case p { font-size: 0.97rem; }
.tag {
  display: inline-flex; align-items: center; gap: 0.4rem; align-self: flex-start;
  font-size: 0.72rem; font-weight: 650; letter-spacing: 0.08em; text-transform: uppercase;
  padding: 0.32rem 0.7rem; border-radius: 999px; border: 1px solid var(--line);
  color: var(--ink-dim);
}
.tag--done   { color: var(--ok); border-color: rgba(87,217,163,0.35); }
.tag--bcm    { color: var(--teal); border-color: var(--teal-deep); }
.tag--wip    { color: var(--gold); border-color: rgba(224,167,95,0.4); }
.tag--pilot  { color: var(--ink-muted); border-color: var(--line); }
.case-note { margin-top: auto; font-size: 0.85rem; color: var(--ink-dim); font-style: italic; }

/* ---------- Insights / article cards ---------- */
.article-card {
  display: flex; flex-direction: column; gap: 0.6rem;
  background: var(--bg-panel); border: 1px solid var(--line-soft);
  border-radius: var(--radius); padding: 1.5rem 1.4rem;
  transition: border-color 0.2s ease, transform 0.2s ease;
}
.article-card:hover { border-color: var(--teal-deep); transform: translateY(-3px); }
.article-card .meta { font-size: 0.78rem; color: var(--ink-dim); letter-spacing: 0.04em; text-transform: uppercase; display: flex; gap: 0.6rem; flex-wrap: wrap; }
.article-card .meta .topic { color: var(--teal); }
.article-card h3 { font-size: var(--step-1); }
.article-card h3 a { color: var(--ink); }
.article-card h3 a:hover { color: var(--teal-bright); }
.article-card p { font-size: 0.95rem; }
.article-card .more { margin-top: auto; font-weight: 600; font-size: 0.9rem; }

/* ---------- CTA band ---------- */
.cta-band { position: relative; overflow: hidden; background: linear-gradient(160deg, #0e1416, var(--bg)); border-block: 1px solid var(--line-soft); }
.cta-band::before {
  content: ""; position: absolute; inset: 0;
  background: radial-gradient(50% 120% at 85% 0%, var(--teal-glow), transparent 55%);
}
.cta-inner { position: relative; text-align: center; max-width: 60ch; margin-inline: auto; }
.cta-inner h2 { font-size: var(--step-3); }
.cta-inner .btn-row { justify-content: center; margin-top: 2rem; }

/* ---------- Partners strip ---------- */
.partner-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1px; background: var(--line-soft); border: 1px solid var(--line-soft); border-radius: var(--radius); overflow: hidden; }
@media (max-width: 720px) { .partner-grid { grid-template-columns: repeat(2, 1fr); } }
.partner-cell {
  background: #f7f8f8; display: flex; align-items: center; justify-content: center;
  padding: 1.6rem 1.4rem; min-height: 120px;
}
.partner-cell img { max-height: 68px; width: auto; object-fit: contain; }

/* ---------- Prizes ---------- */
.prize-list { display: grid; gap: 0.9rem; grid-template-columns: repeat(2, 1fr); }
@media (max-width: 640px) { .prize-list { grid-template-columns: 1fr; } }
.prize {
  display: flex; gap: 1rem; align-items: baseline;
  background: var(--bg-panel); border: 1px solid var(--line-soft); border-left: 3px solid var(--gold);
  border-radius: var(--radius-sm); padding: 1.1rem 1.25rem;
}
.prize .prize-i { color: var(--gold); font-weight: 700; font-size: 0.9rem; }
.prize p { color: var(--ink); font-size: 0.98rem; }

/* ---------- Status banner ---------- */
.status-banner {
  display: flex; gap: 0.9rem; align-items: center; flex-wrap: wrap;
  background: var(--gold-soft); border: 1px solid rgba(224,167,95,0.4);
  border-radius: var(--radius); padding: 1rem 1.3rem; color: var(--ink);
}
.status-banner .dot { width: 10px; height: 10px; border-radius: 50%; background: var(--gold); flex: none; }
.status-banner strong { color: var(--gold); }

/* ---------- Forms ---------- */
.form-card { background: var(--bg-panel); border: 1px solid var(--line-soft); border-radius: var(--radius); padding: clamp(1.4rem, 3vw, 2.2rem); }
.field { display: grid; gap: 0.4rem; margin-bottom: 1.15rem; }
.field > label { font-weight: 600; color: var(--ink); font-size: 0.95rem; }
.field .hint { font-size: 0.82rem; color: var(--ink-dim); }
.req { color: var(--teal); }
.input, .select, .textarea {
  font: inherit; color: var(--ink); background: var(--bg-raise);
  border: 1px solid var(--line); border-radius: var(--radius-sm);
  padding: 0.75rem 0.9rem; width: 100%;
}
.input::placeholder, .textarea::placeholder { color: var(--ink-dim); }
.input:focus, .select:focus, .textarea:focus { border-color: var(--teal); outline: 3px solid var(--teal-glow); outline-offset: 0; }
.textarea { min-height: 118px; resize: vertical; }
.input:invalid:not(:placeholder-shown), .textarea:invalid:not(:placeholder-shown) { border-color: var(--danger); }
.field-row { display: grid; grid-template-columns: 1fr 1fr; gap: 1.15rem; }
@media (max-width: 560px) { .field-row { grid-template-columns: 1fr; } }
.checkbox { display: flex; gap: 0.7rem; align-items: flex-start; }
.checkbox input { margin-top: 0.25rem; width: 18px; height: 18px; accent-color: var(--teal); flex: none; }
.checkbox label { font-size: 0.92rem; color: var(--ink-muted); }
.hp { position: absolute; left: -9999px; opacity: 0; height: 0; overflow: hidden; }
.form-status { border-radius: var(--radius-sm); padding: 0.9rem 1.1rem; margin-bottom: 1.1rem; font-size: 0.95rem; }
.form-status[hidden] { display: none; }
.form-status.ok { background: rgba(87,217,163,0.12); border: 1px solid rgba(87,217,163,0.4); color: var(--ok); }
.form-status.err { background: rgba(255,107,107,0.1); border: 1px solid rgba(255,107,107,0.4); color: var(--danger); }
fieldset { border: 0; padding: 0; margin: 0; }

/* ---------- Contact path cards ---------- */
.path-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 1.15rem; }
@media (max-width: 780px) { .path-grid { grid-template-columns: 1fr; } }
.path {
  background: linear-gradient(180deg, var(--bg-panel), var(--bg-raise));
  border: 1px solid var(--line-soft); border-radius: var(--radius); padding: 1.7rem 1.5rem;
  display: flex; flex-direction: column; gap: 0.7rem;
}
.path h3 { font-size: var(--step-1); }
.path .btn { align-self: flex-start; margin-top: 0.6rem; }

/* ---------- Article reading layout ---------- */
.article { padding-block: clamp(2.5rem, 5vw, 4rem); }
.article-header { max-width: 68ch; margin-inline: auto; }
.article-header .meta { display: flex; flex-wrap: wrap; gap: 0.6rem 1.1rem; font-size: 0.85rem; color: var(--ink-dim); margin-bottom: 1.1rem; }
.article-header .meta .topic { color: var(--teal); font-weight: 600; }
.article-header h1 { font-size: var(--step-3); color: var(--ink); }
.prose { max-width: 68ch; margin-inline: auto; margin-top: 2rem; font-size: 1.08rem; line-height: 1.75; }
.prose > * + * { margin-top: 1.3rem; }
.prose h2 { font-size: var(--step-2); margin-top: 2.4rem; }
.prose h3 { font-size: var(--step-1); margin-top: 1.8rem; }
.prose ul, .prose ol { padding-left: 1.3rem; display: grid; gap: 0.5rem; }
.prose li { color: var(--ink-muted); }
.prose li::marker { color: var(--teal); }
.prose strong { color: var(--ink); }
.prose blockquote {
  border-left: 3px solid var(--teal); padding: 0.4rem 0 0.4rem 1.2rem;
  color: var(--ink); font-size: var(--step-1); font-style: italic;
}
.article-foot { max-width: 68ch; margin: 2.5rem auto 0; }
.related { display: grid; grid-template-columns: repeat(2, 1fr); gap: 1rem; }
@media (max-width: 640px) { .related { grid-template-columns: 1fr; } }

/* ---------- Breadcrumb ---------- */
.crumbs { font-size: 0.82rem; color: var(--ink-dim); display: flex; gap: 0.4rem; flex-wrap: wrap; }
.crumbs a { color: var(--ink-muted); }
.crumbs span { color: var(--ink-dim); }

/* ---------- 404 ---------- */
.notfound { min-height: 60vh; display: grid; place-content: center; text-align: center; gap: 1.2rem; }
.notfound .code { font-size: clamp(4rem, 14vw, 8rem); font-weight: 800; color: transparent; -webkit-text-stroke: 2px var(--teal); text-stroke: 2px var(--teal); line-height: 1; }

/* ---------- Footer ---------- */
.site-footer { border-top: 1px solid var(--line-soft); background: var(--bg-raise); padding-block: clamp(2.5rem, 5vw, 3.5rem) 2rem; }
.footer-top { display: grid; grid-template-columns: 1.4fr 1fr 1fr; gap: 2rem; }
@media (max-width: 780px) { .footer-top { grid-template-columns: 1fr 1fr; } }
@media (max-width: 500px) { .footer-top { grid-template-columns: 1fr; } }
.footer-brand img { height: 32px; margin-bottom: 1rem; }
.footer-brand p { font-size: 0.92rem; max-width: 34ch; }
.footer-col h4 { font-size: 0.78rem; letter-spacing: 0.12em; text-transform: uppercase; color: var(--ink-dim); margin-bottom: 0.9rem; }
.footer-col ul { list-style: none; padding: 0; display: grid; gap: 0.5rem; }
.footer-col a { color: var(--ink-muted); font-size: 0.95rem; }
.footer-col a:hover { color: var(--teal-bright); }
.footer-bottom { margin-top: 2.5rem; padding-top: 1.5rem; border-top: 1px solid var(--line-soft); display: flex; flex-wrap: wrap; gap: 1rem; justify-content: space-between; align-items: center; }
.footer-bottom p { font-size: 0.82rem; color: var(--ink-dim); }
.disclaimer { font-size: 0.82rem; color: var(--ink-dim); max-width: 70ch; margin-top: 1.2rem; line-height: 1.6; }

/* ---------- Utilities ---------- */
.mt-0 { margin-top: 0; }
.text-center { text-align: center; }
.stack > * + * { margin-top: 1.1rem; }
.muted { color: var(--ink-dim); }
.bg-raise { background: var(--bg-raise); }