/* ═══════════════════════════════════════════════════════════════
   BAZEFIELD SHARED DESIGN SYSTEM
   Shared tokens, base styles, layout, nav, and components
   used across all pages of the Bazefield product website.
   ═══════════════════════════════════════════════════════════════ */

/* ═══════════════════════════════════════
   DESIGN TOKENS
   Brand palette: Nebula #7A42EA, Horizon #97C7E7, Amber #EC9E45
   Base neutrals: Black #1E1E1E … Cloud #FFFFFF
   ═══════════════════════════════════════ */
:root {
  --font: 'SCTO Grotesk A', 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  --radius: 14px;
  --radius-sm: 8px;
  --transition: .25s cubic-bezier(.4,0,.2,1);

  /* Accent palette — brand primaries */
  --cyan: #97C7E7;                               /* UN-Horizon */
  --cyan-dim: rgba(151,199,231,.12);
  --cyan-border: rgba(151,199,231,.25);
  --blue: #3b82f6;                               /* utility accent */
  --blue-dim: rgba(59,130,246,.1);
  --blue-border: rgba(59,130,246,.25);
  --purple: #7A42EA;                             /* UN-Nebula */
  --purple-dim: rgba(122,66,234,.12);
  --purple-border: rgba(122,66,234,.25);
  --green: #34d399;                              /* utility accent */
  --green-dim: rgba(52,211,153,.1);
  --green-border: rgba(52,211,153,.25);
  --amber: #EC9E45;                              /* UN-Amber */
  --amber-dim: rgba(236,158,69,.12);
  --amber-border: rgba(236,158,69,.25);

  /* Page accent — overridden per page */
  --accent: var(--cyan);
  --accent-dim: var(--cyan-dim);
  --accent-border: var(--cyan-border);
}

/* ── Dark theme (default) ── */
/* Deep-black scale inspired by univers.com */
[data-theme="dark"] {
  --bg: #0c0c0c;                                 /* near-black */
  --bg-surface: #161616;
  --bg-surface-hover: #1e1e1e;
  --bg-elevated: #222222;
  --border: rgba(255,255,255,.08);
  --border-strong: rgba(255,255,255,.14);
  --text: #E6E6E6;                               /* UN-Marble */
  --text-secondary: #B6B6B6;                     /* UN-Pebble */
  --text-muted: #8C8C8C;                         /* UN-Graphite */
  --shadow: 0 2px 24px rgba(0,0,0,.5);
  --shadow-lg: 0 8px 48px rgba(0,0,0,.6);
}

/* ── Light theme ── */
/* Neutrals from brand base palette: Bone → Cloud */
[data-theme="light"] {
  --bg: #F5F5F5;                                 /* UN-Bone */
  --bg-surface: #FFFFFF;                         /* UN-Cloud */
  --bg-surface-hover: #E6E6E6;                   /* UN-Marble */
  --bg-elevated: #FFFFFF;                        /* UN-Cloud */
  --border: #D2D2D2;                             /* UN-Rock */
  --border-strong: #B6B6B6;                      /* UN-Pebble */
  --text: #1E1E1E;                               /* UN-Black */
  --text-secondary: #646464;                     /* UN-Grey */
  --text-muted: #8C8C8C;                         /* UN-Graphite */
  --shadow: 0 2px 12px rgba(0,0,0,.06);
  --shadow-lg: 0 8px 28px rgba(0,0,0,.09);

  /* Accent palette — darkened for contrast on light backgrounds */
  --cyan: #2e7eaa;                               /* Horizon darkened */
  --cyan-dim: rgba(46,126,170,.09);
  --cyan-border: rgba(46,126,170,.25);
  --blue: #2563eb;
  --blue-dim: rgba(37,99,235,.08);
  --blue-border: rgba(37,99,235,.22);
  --purple: #6930c3;                             /* Nebula darkened */
  --purple-dim: rgba(105,48,195,.10);
  --purple-border: rgba(105,48,195,.25);
  --green: #0d9268;
  --green-dim: rgba(13,146,104,.08);
  --green-border: rgba(13,146,104,.22);
  --amber: #b87a2e;                              /* Amber darkened */
  --amber-dim: rgba(184,122,46,.10);
  --amber-border: rgba(184,122,46,.25);
}

/* ═══════════════════════════════════════
   BASE RESET
   ═══════════════════════════════════════ */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { font-size: 15px; scroll-behavior: smooth; }
body {
  font-family: var(--font);
  background: var(--bg);
  color: var(--text);
  line-height: 1.6;
  transition: background var(--transition), color var(--transition);
}

/* ═══════════════════════════════════════
   LAYOUT
   ═══════════════════════════════════════ */
.container {
  max-width: clamp(1200px, 80vw, 1400px);
  margin: 0 auto;
  padding: 0 2rem;
}
section { padding: 3rem 0; }
.section-header { margin-bottom: 2.2rem; }
.section-header h2 {
  font-size: 1.5rem;
  font-weight: 700;
  letter-spacing: -.02em;
}
.section-header p {
  color: var(--text-secondary);
  font-size: .9rem;
  margin-top: .3rem;
}
.divider {
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--accent-border), var(--blue-border), var(--accent-border), transparent);
  margin: 0 auto;
  max-width: clamp(1200px, 80vw, 1400px);
}

/* ═══════════════════════════════════════
   NAV: BACK LINK
   ═══════════════════════════════════════ */
.back-link {
  position: fixed;
  top: 1.4rem;
  left: 1.5rem;
  z-index: 100;
  display: inline-flex;
  align-items: center;
  gap: .5rem;
  padding: .55rem 1.2rem;
  border-radius: 50px;
  background: var(--bg-surface);
  border: 1px solid var(--border-strong);
  color: var(--text-secondary);
  font-size: .75rem;
  font-weight: 600;
  text-decoration: none;
  letter-spacing: .02em;
  box-shadow: var(--shadow);
  backdrop-filter: blur(12px);
  transition: all var(--transition);
}
.back-link:hover { color: var(--cyan); border-color: var(--cyan-border); }
.back-link i { font-size: .7rem; }

/* ═══════════════════════════════════════
   NAV: FLOATING CTA (top-left action button)
   ═══════════════════════════════════════ */
.floating-cta {
  position: fixed;
  top: 1.4rem;
  left: 1.5rem;
  z-index: 100;
  display: inline-flex;
  align-items: center;
  gap: .5rem;
  padding: .55rem 1.2rem;
  border-radius: 50px;
  background: var(--blue);
  color: #fff;
  font-size: .8rem;
  font-weight: 700;
  text-decoration: none;
  letter-spacing: .02em;
  box-shadow: 0 2px 12px rgba(30,58,95,.3);
  transition: all .2s ease;
}
.floating-cta:hover {
  transform: translateY(-1px);
  box-shadow: 0 4px 20px rgba(30,58,95,.45);
}
.floating-cta i { font-size: .75rem; }

/* ═══════════════════════════════════════
   THEME TOGGLE
   ═══════════════════════════════════════ */
.theme-toggle {
  position: fixed;
  top: 1.2rem;
  right: 1.5rem;
  z-index: 100;
  background: var(--bg-surface);
  border: 1px solid var(--border-strong);
  border-radius: 50px;
  padding: .5rem;
  display: flex;
  gap: .25rem;
  box-shadow: var(--shadow);
  backdrop-filter: blur(12px);
  transition: all var(--transition);
}
.theme-toggle button {
  background: none;
  border: none;
  color: var(--text-muted);
  cursor: pointer;
  width: 32px;
  height: 32px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: .85rem;
  transition: all var(--transition);
}
.theme-toggle button:hover:not(.active) {
  color: var(--text-secondary);
}
/* Per-page accent — set via page-level CSS or use default cyan */
.theme-toggle button.active {
  background: var(--toggle-active-bg, var(--cyan-dim));
  color: var(--toggle-active-color, var(--cyan));
}

/* ═══════════════════════════════════════
   CTA BUTTONS (accent-driven)
   ═══════════════════════════════════════ */
.cta-btn {
  display: inline-flex;
  align-items: center;
  gap: .5rem;
  padding: .7rem 1.5rem;
  border-radius: 50px;
  font-size: .85rem;
  font-weight: 700;
  text-decoration: none;
  transition: all .2s ease;
  letter-spacing: .01em;
  cursor: pointer;
  border: none;
}
.cta-btn--primary {
  background: linear-gradient(135deg, var(--accent), var(--blue));
  color: #fff;
  border: none;
  box-shadow: 0 4px 24px var(--accent-dim);
}
.cta-btn--primary:hover { transform: translateY(-2px); box-shadow: 0 8px 32px var(--accent-dim); }
.cta-btn--secondary {
  background: var(--bg-elevated);
  color: var(--text);
  border: 1px solid var(--border-strong);
}
.cta-btn--secondary:hover { border-color: var(--accent-border); color: var(--accent); }

/* ═══════════════════════════════════════
   CTA FOOTER
   ═══════════════════════════════════════ */
.cta-footer {
  text-align: center;
  padding: 4rem 2rem;
  background: var(--bg-surface);
  border-top: 1px solid var(--border);
}
.cta-footer h2 {
  font-size: 1.6rem;
  font-weight: 800;
  letter-spacing: -.02em;
  margin-bottom: .6rem;
}
.cta-footer p {
  color: var(--text-secondary);
  font-size: .95rem;
  max-width: 560px;
  margin: 0 auto 1.5rem;
}

/* ═══════════════════════════════════════
   HERO (shared base — pages set --accent vars)
   ═══════════════════════════════════════ */
.hero {
  text-align: center;
  padding: 6rem 2rem 3.5rem;
  position: relative;
  overflow: hidden;
}
.hero::before {
  content: '';
  position: absolute;
  inset: 0;
  background: radial-gradient(ellipse at 50% 0%, var(--accent-dim) 0%, transparent 70%);
  pointer-events: none;
}
.hero h1 {
  font-size: 2.4rem;
  font-weight: 800;
  letter-spacing: -.03em;
  margin-bottom: .5rem;
  position: relative;
}
.hero h1 .accent { color: var(--accent); }
.hero .hero-sub {
  font-size: 1rem;
  color: var(--text-secondary);
  max-width: 680px;
  margin: 0 auto 1.8rem;
  position: relative;
}
.hero-icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 80px;
  height: 80px;
  border-radius: 50%;
  background: var(--accent-dim);
  border: 2px solid var(--accent-border);
  margin-bottom: 1.5rem;
  font-size: 2rem;
  color: var(--accent);
  position: relative;
}
.hero-cta-row {
  display: flex;
  gap: .8rem;
  justify-content: center;
  flex-wrap: wrap;
  position: relative;
}

/* ═══════════════════════════════════════
   SECTION LABELS / TITLES (accent-driven)
   ═══════════════════════════════════════ */
.section-label {
  font-size: .65rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: .12em;
  color: var(--accent);
  margin-bottom: .5rem;
}
.section-title {
  font-size: 1.6rem;
  font-weight: 700;
  letter-spacing: -.02em;
  margin-bottom: .4rem;
}
.section-desc {
  color: var(--text-secondary);
  font-size: .92rem;
  max-width: 700px;
  margin-bottom: 2rem;
}

/* ═══════════════════════════════════════
   ROADMAP BADGE
   ═══════════════════════════════════════ */
.roadmap-tag {
  display: inline-flex;
  align-items: center;
  gap: .15rem;
  font-size: .55rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: .06em;
  padding: .15rem .5rem;
  border-radius: 4px;
  background: var(--amber-dim);
  color: var(--amber);
  border: 1px solid var(--amber-border);
  line-height: 1;
  white-space: nowrap;
  vertical-align: middle;
}
.roadmap-tag i {
  font-size: .45rem;
  margin-right: 2px;
}

/* ═══════════════════════════════════════
   AUDIENCE CHIPS
   ═══════════════════════════════════════ */
.audience-chip {
  display: inline-flex;
  align-items: center;
  gap: .3rem;
  font-size: .65rem;
  font-weight: 600;
  padding: .25rem .65rem;
  border-radius: 50px;
  background: var(--bg-surface-hover);
  color: var(--text-secondary);
  border: 1px solid var(--border);
}
.audience-chip i { font-size: .55rem; }

/* ═══════════════════════════════════════
   UTILITY CLASSES
   Replace common inline styles with these.
   ═══════════════════════════════════════ */

/* Accent colour text utilities (used in hero headings) */
.accent { color: var(--accent); }
.amber  { color: var(--amber); }
.cyan   { color: var(--cyan); }
.green  { color: var(--green); }
.purple { color: var(--purple); }
.blue   { color: var(--blue); }

/* Font sizes */
.fs-xxs { font-size: .5rem; }
.fs-xs  { font-size: .55rem; }
.fs-sm  { font-size: .75rem; }

/* Spacing */
.mr-xs  { margin-right: .3rem; }
.mr-2   { margin-right: 2px; }

/* Widths */
.w-quarter { width: 25%; }
.w-half    { width: 50%; }

/* Spacers */
.spacer-sm { height: 3rem; }
.spacer-md { height: 4rem; }

/* Links that inherit parent colour */
.link-inherit {
  color: inherit;
  text-decoration: none;
}

/* Section header icon (muted, slightly larger) */
.section-icon {
  color: var(--text-muted);
  margin-right: .4rem;
  font-size: 1.1rem;
}

/* Light-mode logo inversion */
[data-theme="light"] .brand-logo {
  filter: invert(1);
}

/* ═══════════════════════════════════════
   RESPONSIVE SHARED
   ═══════════════════════════════════════ */
@media (max-width: 640px) {
  .hero h1 { font-size: 1.8rem; }
  .back-link { font-size: .65rem; padding: .4rem .8rem; }
  .theme-toggle { top: .8rem; right: .8rem; }
}

/* ═══════════════════════════════════════
   CONTACT FORM MODAL
   ═══════════════════════════════════════ */
.contact-overlay {
  position: fixed; inset: 0; z-index: 9999;
  background: rgba(0,0,0,.7); backdrop-filter: blur(4px);
  display: flex; align-items: center; justify-content: center;
  opacity: 0; pointer-events: none; transition: opacity .25s ease;
}
.contact-overlay.open { opacity: 1; pointer-events: auto; }
.contact-modal {
  background: var(--bg-surface); border: 1px solid var(--border);
  border-radius: var(--radius); padding: 2.5rem; width: 100%; max-width: 460px;
  position: relative; box-shadow: 0 20px 60px rgba(0,0,0,.5);
}
.contact-modal h3 { margin: 0 0 .25rem; font-size: 1.3rem; color: var(--text); }
.contact-modal .modal-desc { color: var(--text-secondary); margin-bottom: 1.5rem; font-size: .9rem; }
.contact-modal label { display: block; font-size: .8rem; color: var(--text-secondary); margin-bottom: .3rem; font-weight: 500; }
.contact-modal input,
.contact-modal textarea {
  width: 100%; padding: .6rem .8rem; margin-bottom: 1rem;
  background: var(--bg); border: 1px solid var(--border); border-radius: var(--radius-sm);
  color: var(--text); font-size: .9rem; font-family: inherit; resize: vertical;
}
.contact-modal input:focus,
.contact-modal textarea:focus { outline: none; border-color: var(--amber); }
.contact-modal textarea { min-height: 90px; }
.contact-modal .form-submit-btn {
  width: 100%; padding: .75rem; border: none; border-radius: var(--radius-sm);
  background: var(--amber); color: #000; font-weight: 600; font-size: .95rem;
  cursor: pointer; transition: background .2s;
}
.contact-modal .form-submit-btn:hover { background: #d88c3a; }
.contact-modal .close-modal {
  position: absolute; top: 1rem; right: 1rem; background: none; border: none;
  color: var(--text-muted); font-size: 1.4rem; cursor: pointer; line-height: 1;
}
.contact-modal .close-modal:hover { color: var(--text); }
.contact-modal .form-success {
  text-align: center; padding: 2rem 0; color: var(--green);
}
.contact-modal .form-success i { font-size: 2.5rem; margin-bottom: .75rem; display: block; }
.contact-hp { position: absolute; left: -9999px; opacity: 0; height: 0; }