/* ═══════════════════════════════════════════════════════════
   EPC GLOBAL HUB — epchub.ro
   Design tokens & shared styles
   ═══════════════════════════════════════════════════════════ */

:root {
  /* Brand colors — match PDF letterhead */
  --navy: #1F3864;
  --navy-dark: #0F1F3F;
  --navy-soft: rgba(31, 56, 100, 0.08);
  --gold: #E8A020;
  --gold-soft: rgba(232, 160, 32, 0.12);
  --gold-strong: #D08F1A;

  /* Neutrals */
  --bg: #FFFFFF;
  --bg-elev: #F7F9FC;
  --bg-card: #FFFFFF;
  --bg-dark: #0F1F3F;
  --ink: #1A1A1A;
  --ink-soft: #4A5468;
  --ink-mute: #8B92A1;
  --line: #E5E9F0;
  --line-strong: #C8D0DC;

  /* Actor colors (catalog filters) */
  --c-cluster: #1F3864;
  --c-contractor: #0B5345;
  --c-investor: #5B2C6F;
  --c-developer: #C75500;
  --c-affiliate: #4B0082;
  --c-supplier: #06B6D4;
  --c-freelancer: #6B8E23;

  /* States */
  --ok: #0B7A3F;
  --warn: #B45309;
  --err: #B91C1C;

  /* Spacing */
  --pad-xs: 4px;
  --pad-sm: 8px;
  --pad: 16px;
  --pad-lg: 24px;
  --pad-xl: 40px;
  --pad-xxl: 64px;

  /* Type */
  --ff-sans: 'Outfit', system-ui, -apple-system, sans-serif;
  --ff-mono: 'JetBrains Mono', monospace;

  /* Radius */
  --r-sm: 4px;
  --r-md: 8px;
  --r-lg: 12px;
  --r-xl: 16px;

  /* Shadows */
  --sh-sm: 0 1px 2px rgba(15, 31, 63, 0.04), 0 1px 3px rgba(15, 31, 63, 0.06);
  --sh-md: 0 4px 12px rgba(15, 31, 63, 0.08), 0 2px 4px rgba(15, 31, 63, 0.04);
  --sh-lg: 0 12px 32px rgba(15, 31, 63, 0.12);
}

* { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
body {
  font-family: var(--ff-sans);
  color: var(--ink);
  background: var(--bg);
  line-height: 1.55;
  font-weight: 400;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

img { max-width: 100%; display: block; }
a { color: var(--navy); text-decoration: none; }
a:hover { color: var(--gold); }

.mono { font-family: var(--ff-mono); }
.wrap { max-width: 1200px; margin: 0 auto; padding: 0 var(--pad-lg); }
.wrap-narrow { max-width: 860px; margin: 0 auto; padding: 0 var(--pad-lg); }

/* ─── HEADER / NAV ─── */
.site-header {
  background: var(--bg);
  border-bottom: 1px solid var(--line);
  position: sticky;
  top: 0;
  z-index: 100;
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  background: rgba(255, 255, 255, 0.95);
}
.site-header .wrap {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-top: 18px;
  padding-bottom: 18px;
}
.brand-logo {
  display: flex;
  align-items: center;
  gap: 12px;
  font-weight: 700;
  font-size: 18px;
  color: var(--navy);
  letter-spacing: -0.01em;
}
.brand-logo svg { width: 36px; height: 36px; }
.brand-logo .brand-sub {
  display: block;
  font-size: 11px;
  font-family: var(--ff-mono);
  color: var(--ink-mute);
  font-weight: 400;
  letter-spacing: 2px;
  text-transform: uppercase;
  margin-top: 2px;
}
.brand-logo b { display: block; line-height: 1.05; }

.nav { display: flex; align-items: center; gap: 32px; }
.nav a {
  color: var(--ink-soft);
  font-weight: 500;
  font-size: 15px;
  transition: color 0.2s;
}
.nav a:hover, .nav a.active { color: var(--navy); }
.nav-cta {
  background: var(--gold);
  color: var(--navy-dark) !important;
  padding: 10px 18px;
  border-radius: var(--r-md);
  font-weight: 600;
  transition: all 0.2s;
}
.nav-cta:hover { background: var(--gold-strong); color: var(--navy-dark) !important; transform: translateY(-1px); }

.mobile-toggle {
  display: none;
  background: none;
  border: 1px solid var(--line);
  border-radius: var(--r-md);
  padding: 8px 12px;
  font-size: 18px;
  color: var(--navy);
  cursor: pointer;
}

/* ─── HERO ─── */
.hero {
  background: linear-gradient(135deg, var(--navy-dark) 0%, var(--navy) 100%);
  color: white;
  padding: 80px 0 100px;
  position: relative;
  overflow: hidden;
}
.hero::before {
  content: '';
  position: absolute;
  inset: 0;
  background-image:
    radial-gradient(ellipse 800px 400px at 20% 30%, rgba(232, 160, 32, 0.15), transparent),
    radial-gradient(ellipse 600px 300px at 80% 70%, rgba(31, 56, 100, 0.4), transparent);
  pointer-events: none;
}
.hero .wrap { position: relative; z-index: 1; }
.hero-tag {
  font-family: var(--ff-mono);
  font-size: 12px;
  letter-spacing: 3px;
  color: var(--gold);
  text-transform: uppercase;
  margin-bottom: 24px;
  font-weight: 500;
}
.hero h1 {
  font-size: clamp(40px, 6vw, 76px);
  font-weight: 800;
  line-height: 1.05;
  letter-spacing: -0.02em;
  margin-bottom: 24px;
  max-width: 880px;
}
.hero h1 .accent { color: var(--gold); }
.hero-lead {
  font-size: clamp(18px, 2vw, 22px);
  color: rgba(255, 255, 255, 0.85);
  max-width: 720px;
  line-height: 1.5;
  margin-bottom: 40px;
}
.hero-actions { display: flex; gap: 16px; flex-wrap: wrap; }

.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 14px 28px;
  border-radius: var(--r-md);
  font-family: var(--ff-sans);
  font-weight: 600;
  font-size: 15px;
  letter-spacing: 0.01em;
  cursor: pointer;
  transition: all 0.2s;
  border: 1px solid transparent;
  text-decoration: none;
}
.btn-primary { background: var(--gold); color: var(--navy-dark); }
.btn-primary:hover { background: var(--gold-strong); color: var(--navy-dark); transform: translateY(-1px); box-shadow: var(--sh-md); }
.btn-ghost { background: transparent; color: white; border-color: rgba(255,255,255,0.3); }
.btn-ghost:hover { background: rgba(255,255,255,0.08); color: white; border-color: rgba(255,255,255,0.5); }
.btn-secondary { background: var(--navy); color: white; }
.btn-secondary:hover { background: var(--navy-dark); color: white; transform: translateY(-1px); box-shadow: var(--sh-md); }

/* ─── SECTION SHELL ─── */
section { padding: var(--pad-xxl) 0; }
.section-tag {
  font-family: var(--ff-mono);
  font-size: 11px;
  letter-spacing: 3px;
  color: var(--gold);
  text-transform: uppercase;
  font-weight: 500;
  margin-bottom: 16px;
}
h2 {
  font-size: clamp(28px, 4vw, 44px);
  font-weight: 700;
  line-height: 1.15;
  letter-spacing: -0.02em;
  color: var(--navy);
  margin-bottom: 24px;
}
h2 .accent { color: var(--gold); }
h3 {
  font-size: 22px;
  font-weight: 600;
  line-height: 1.25;
  color: var(--navy);
  margin-bottom: 12px;
}
.section-lead {
  font-size: 18px;
  color: var(--ink-soft);
  max-width: 720px;
  line-height: 1.55;
  margin-bottom: 48px;
}

/* ─── PILLARS GRID (homepage) ─── */
.grid-3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.grid-2 { display: grid; grid-template-columns: repeat(2, 1fr); gap: 24px; }

.pillar-card {
  background: var(--bg-card);
  border: 1px solid var(--line);
  border-radius: var(--r-xl);
  padding: 32px;
  transition: all 0.2s;
  position: relative;
  overflow: hidden;
}
.pillar-card::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 3px;
  background: linear-gradient(90deg, var(--navy), var(--gold));
  opacity: 0;
  transition: opacity 0.2s;
}
.pillar-card:hover { border-color: var(--gold); box-shadow: var(--sh-md); transform: translateY(-2px); }
.pillar-card:hover::before { opacity: 1; }
.pillar-card .pillar-icon {
  width: 48px;
  height: 48px;
  border-radius: var(--r-lg);
  background: var(--gold-soft);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 20px;
  color: var(--gold-strong);
}
.pillar-card p {
  color: var(--ink-soft);
  font-size: 15px;
  line-height: 1.6;
}

/* ─── ACTORS GRID (homepage) ─── */
.actors-bg { background: var(--bg-elev); }
.actor-tile {
  background: var(--bg-card);
  border: 1px solid var(--line);
  border-radius: var(--r-lg);
  padding: 28px;
  text-align: left;
  transition: all 0.2s;
  display: block;
  text-decoration: none;
  color: inherit;
}
.actor-tile:hover { border-color: var(--actor-color, var(--gold)); transform: translateY(-2px); box-shadow: var(--sh-md); color: inherit; }
.actor-tile .actor-badge {
  display: inline-block;
  font-family: var(--ff-mono);
  font-size: 10px;
  letter-spacing: 2px;
  text-transform: uppercase;
  padding: 4px 10px;
  border-radius: var(--r-sm);
  margin-bottom: 16px;
  font-weight: 500;
}
.actor-tile h3 { font-size: 18px; margin-bottom: 8px; color: var(--navy); }
.actor-tile p { font-size: 14px; color: var(--ink-soft); line-height: 1.5; }
.grid-actors { display: grid; grid-template-columns: repeat(4, 1fr); gap: 16px; }

.actor-cluster .actor-badge { background: rgba(31, 56, 100, 0.1); color: var(--c-cluster); }
.actor-contractor .actor-badge { background: rgba(11, 83, 69, 0.1); color: var(--c-contractor); }
.actor-investor .actor-badge { background: rgba(91, 44, 111, 0.1); color: var(--c-investor); }
.actor-developer .actor-badge { background: rgba(199, 85, 0, 0.1); color: var(--c-developer); }
.actor-affiliate .actor-badge { background: rgba(75, 0, 130, 0.1); color: var(--c-affiliate); }
.actor-supplier .actor-badge { background: rgba(6, 182, 212, 0.12); color: var(--c-supplier); }
.actor-freelancer .actor-badge { background: rgba(107, 142, 35, 0.12); color: var(--c-freelancer); }

/* ─── CATALOG PAGE ─── */
.catalog-header {
  background: var(--bg-elev);
  padding: 48px 0;
  border-bottom: 1px solid var(--line);
}
.catalog-header h1 {
  font-size: clamp(32px, 4vw, 44px);
  font-weight: 700;
  color: var(--navy);
  margin-bottom: 12px;
  letter-spacing: -0.02em;
}
.catalog-header p { color: var(--ink-soft); font-size: 17px; max-width: 720px; }

.catalog-toolbar {
  background: var(--bg);
  padding: 24px 0;
  border-bottom: 1px solid var(--line);
  position: sticky;
  top: 73px;
  z-index: 50;
}
.toolbar-row { display: flex; gap: 16px; align-items: center; flex-wrap: wrap; }

.search-input {
  flex: 1;
  min-width: 240px;
  padding: 12px 16px 12px 44px;
  border: 1px solid var(--line);
  border-radius: var(--r-md);
  font-family: var(--ff-sans);
  font-size: 15px;
  color: var(--ink);
  background: var(--bg-elev) url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='18' height='18' viewBox='0 0 24 24' fill='none' stroke='%238B92A1' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Ccircle cx='11' cy='11' r='8'/%3E%3Cpath d='m21 21-4.3-4.3'/%3E%3C/svg%3E") no-repeat 14px center;
  transition: all 0.2s;
}
.search-input:focus { outline: none; border-color: var(--gold); background-color: var(--bg); box-shadow: 0 0 0 3px var(--gold-soft); }

.filter-select {
  padding: 12px 16px;
  border: 1px solid var(--line);
  border-radius: var(--r-md);
  font-family: var(--ff-sans);
  font-size: 14px;
  color: var(--ink);
  background: var(--bg);
  cursor: pointer;
  min-width: 160px;
}
.filter-select:focus { outline: none; border-color: var(--gold); }

.catalog-stats {
  font-family: var(--ff-mono);
  font-size: 12px;
  color: var(--ink-mute);
  letter-spacing: 1px;
  margin-left: auto;
}

.catalog-grid {
  padding: 32px 0 80px;
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
  gap: 20px;
}

.member-card {
  background: var(--bg-card);
  border: 1px solid var(--line);
  border-radius: var(--r-lg);
  padding: 24px;
  transition: all 0.2s;
  display: flex;
  flex-direction: column;
}
.member-card:hover { border-color: var(--member-color, var(--gold)); box-shadow: var(--sh-md); transform: translateY(-2px); }

.member-card-header {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  margin-bottom: 16px;
}
.member-type-badge {
  font-family: var(--ff-mono);
  font-size: 10px;
  letter-spacing: 2px;
  text-transform: uppercase;
  padding: 4px 10px;
  border-radius: var(--r-sm);
  font-weight: 500;
}
.member-card h3 {
  font-size: 18px;
  font-weight: 600;
  color: var(--navy);
  margin-bottom: 4px;
  line-height: 1.3;
}
.member-card .member-spec {
  font-size: 13px;
  color: var(--ink-mute);
  margin-bottom: 16px;
  font-family: var(--ff-mono);
  letter-spacing: 0.5px;
}
.member-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  font-size: 13px;
  color: var(--ink-soft);
  margin-bottom: 16px;
}
.member-meta-item { display: inline-flex; align-items: center; gap: 4px; }
.member-meta-item svg { width: 14px; height: 14px; color: var(--ink-mute); }
.member-card-foot {
  margin-top: auto;
  padding-top: 16px;
  border-top: 1px solid var(--line);
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 13px;
}
.member-link {
  color: var(--navy);
  font-weight: 500;
  display: inline-flex;
  align-items: center;
  gap: 4px;
}
.member-link:hover { color: var(--gold); }
.member-status {
  font-size: 11px;
  font-family: var(--ff-mono);
  letter-spacing: 1.5px;
  text-transform: uppercase;
  color: var(--ok);
}

.empty-state {
  text-align: center;
  padding: 80px 24px;
  color: var(--ink-mute);
  grid-column: 1 / -1;
}
.empty-state svg { width: 48px; height: 48px; margin: 0 auto 16px; color: var(--line-strong); }
.empty-state h3 { color: var(--ink-soft); margin-bottom: 8px; }

.protected-notice {
  background: var(--gold-soft);
  border: 1px solid var(--gold);
  border-radius: var(--r-md);
  padding: 16px 20px;
  margin-bottom: 24px;
  display: flex;
  gap: 12px;
  align-items: flex-start;
  font-size: 14px;
  color: var(--ink);
}
.protected-notice svg { color: var(--gold-strong); flex-shrink: 0; margin-top: 2px; }
.protected-notice a { color: var(--navy); font-weight: 600; text-decoration: underline; }

/* ─── ABOUT / CONTACT ─── */
.page-header {
  background: var(--bg-elev);
  padding: 64px 0 48px;
  border-bottom: 1px solid var(--line);
}
.page-header h1 {
  font-size: clamp(32px, 4vw, 52px);
  font-weight: 700;
  color: var(--navy);
  letter-spacing: -0.02em;
  margin-bottom: 16px;
}
.page-header .lead {
  font-size: 19px;
  color: var(--ink-soft);
  max-width: 760px;
  line-height: 1.5;
}
.prose {
  padding: 48px 0;
  font-size: 16px;
  color: var(--ink);
  line-height: 1.7;
}
.prose p { margin-bottom: 20px; }
.prose h2 { margin-top: 48px; margin-bottom: 16px; }
.prose h3 { margin-top: 32px; margin-bottom: 12px; }
.prose ul { margin-bottom: 20px; padding-left: 24px; }
.prose li { margin-bottom: 8px; color: var(--ink-soft); }
.prose strong { color: var(--ink); font-weight: 600; }

.contact-grid { display: grid; grid-template-columns: 1.2fr 1fr; gap: 64px; align-items: start; }
.contact-info { padding: 32px; background: var(--bg-elev); border-radius: var(--r-lg); }
.contact-row { padding: 16px 0; border-bottom: 1px solid var(--line); }
.contact-row:last-child { border-bottom: none; }
.contact-label {
  font-family: var(--ff-mono);
  font-size: 11px;
  letter-spacing: 2px;
  text-transform: uppercase;
  color: var(--ink-mute);
  margin-bottom: 4px;
}
.contact-value { color: var(--ink); font-size: 15px; font-weight: 500; }
.contact-value a { color: var(--navy); }

.form-row { margin-bottom: 20px; }
.form-row label {
  display: block;
  font-size: 13px;
  font-weight: 500;
  color: var(--ink);
  margin-bottom: 6px;
}
.form-row input, .form-row select, .form-row textarea {
  width: 100%;
  padding: 12px 14px;
  border: 1px solid var(--line);
  border-radius: var(--r-md);
  font-family: var(--ff-sans);
  font-size: 15px;
  color: var(--ink);
  background: var(--bg);
  transition: all 0.2s;
}
.form-row input:focus, .form-row select:focus, .form-row textarea:focus {
  outline: none;
  border-color: var(--gold);
  box-shadow: 0 0 0 3px var(--gold-soft);
}
.form-row textarea { min-height: 120px; resize: vertical; }

/* ─── FOOTER ─── */
.site-footer {
  background: var(--navy-dark);
  color: rgba(255,255,255,0.7);
  padding: 64px 0 32px;
}
.footer-grid {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr 1fr;
  gap: 48px;
  margin-bottom: 48px;
}
.footer-brand b { color: white; display: block; font-size: 17px; margin-bottom: 8px; font-weight: 700; }
.footer-brand p { font-size: 13px; line-height: 1.6; max-width: 320px; color: rgba(255,255,255,0.55); }
.footer-col h5 {
  font-family: var(--ff-mono);
  font-size: 11px;
  letter-spacing: 2px;
  text-transform: uppercase;
  color: var(--gold);
  margin-bottom: 16px;
  font-weight: 500;
}
.footer-col ul { list-style: none; }
.footer-col li { margin-bottom: 8px; }
.footer-col a { color: rgba(255,255,255,0.7); font-size: 14px; transition: color 0.2s; }
.footer-col a:hover { color: white; }
.footer-bottom {
  padding-top: 32px;
  border-top: 1px solid rgba(255,255,255,0.1);
  font-size: 13px;
  color: rgba(255,255,255,0.45);
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 16px;
}
.footer-bottom .small { font-family: var(--ff-mono); font-size: 11px; letter-spacing: 1px; }

/* ─── RESPONSIVE ─── */
@media (max-width: 980px) {
  .grid-3 { grid-template-columns: 1fr; }
  .grid-2 { grid-template-columns: 1fr; }
  .grid-actors { grid-template-columns: repeat(2, 1fr); }
  .footer-grid { grid-template-columns: 1fr 1fr; gap: 32px; }
  .contact-grid { grid-template-columns: 1fr; gap: 32px; }
}
@media (max-width: 720px) {
  .nav { display: none; }
  .nav.open {
    display: flex;
    flex-direction: column;
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background: var(--bg);
    border-bottom: 1px solid var(--line);
    padding: 16px var(--pad-lg);
    gap: 16px;
    align-items: flex-start;
  }
  .mobile-toggle { display: block; }
  .grid-actors { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr; }
  section { padding: 48px 0; }
  .hero { padding: 56px 0 72px; }
  .catalog-toolbar { top: 65px; }
}