/* ============================================================
   MINDOBIX — Main Stylesheet
   Theme: Dark Navy + Emerald
   Font: Verdana / Arial — professional, clean, approachable
   ============================================================ */

:root {
  --bg:           #06080f;
  --bg2:          #090c16;
  --surface:      #0d1220;
  --surface2:     #111828;
  --surface3:     #161f33;
  --border:       #1b2840;
  --border2:      #223058;
  --text:         #dce7f8;
  --text2:        #8a9fc0;
  --muted:        #4e6280;
  --accent:       #10b981;
  --accent2:      #34d399;
  --accent-dim:   rgba(16,185,129,0.10);
  --accent-glow:  rgba(16,185,129,0.14);
  --accent-glow2: rgba(16,185,129,0.06);
}

*, *::before, *::after { margin: 0; padding: 0; box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  min-height: 100vh;
  background: var(--bg);
  color: var(--text);
  font-family: Verdana, Geneva, Arial, sans-serif;
  font-size: 14px;
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
}

/* Subtle noise texture */
body::before {
  content: '';
  position: fixed; inset: 0;
  background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 256 256' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.85' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)' opacity='0.035'/%3E%3C/svg%3E");
  pointer-events: none; z-index: 0;
}

/* ── TYPOGRAPHY ── */
h1 { font-size: clamp(1.75rem, 4.2vw, 3rem); font-weight: 700; line-height: 1.2; color: var(--text); }
h2 { font-size: clamp(1.35rem, 2.8vw, 2rem); font-weight: 700; line-height: 1.3; color: var(--text); }
h3 { font-size: 1.1rem; font-weight: 700; line-height: 1.4; color: var(--text); }
h4 { font-size: 0.95rem; font-weight: 700; color: var(--text); }
p  { color: var(--text2); line-height: 1.75; }
a  { color: var(--accent); text-decoration: none; transition: color 0.15s; }
a:hover { color: var(--accent2); }

strong { color: var(--text); }

/* ── LAYOUT ── */
.container { max-width: 1160px; margin: 0 auto; padding: 0 28px; }
.section    { padding: 88px 0; position: relative; z-index: 1; }
.section-sm { padding: 56px 0; position: relative; z-index: 1; }

.section-label {
  font-size: 10px; font-weight: 700; letter-spacing: 0.14em;
  color: var(--accent); text-transform: uppercase; margin-bottom: 12px;
  display: block;
}
.section-title { margin-bottom: 14px; }
.section-sub { font-size: 0.95rem; max-width: 600px; line-height: 1.8; }

/* ── NAV ── */
nav.site-nav {
  position: sticky; top: 0; z-index: 1000;
  background: rgba(6, 8, 15, 0.93);
  backdrop-filter: blur(20px); -webkit-backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--border);
}

.nav-inner {
  display: flex; align-items: center; justify-content: space-between;
  height: 60px; max-width: 1160px; margin: 0 auto; padding: 0 28px;
}

.nav-logo {
  font-size: 1.25rem; font-weight: 700; color: var(--text);
  text-decoration: none; letter-spacing: -0.02em;
}
.nav-logo .dot { color: var(--accent); }

.nav-links { display: flex; align-items: center; gap: 26px; list-style: none; }
.nav-links a {
  font-size: 12px; font-weight: 700; color: var(--text2);
  text-decoration: none; letter-spacing: 0.04em; text-transform: uppercase;
  transition: color 0.15s;
}
.nav-links a:hover, .nav-links a.active { color: var(--accent); }

.nav-cta {
  background: var(--accent) !important;
  color: #000 !important;
  padding: 8px 20px; border-radius: 6px;
  font-size: 12px !important; font-weight: 700 !important;
  letter-spacing: 0.03em !important; text-transform: uppercase !important;
}
.nav-cta:hover { background: var(--accent2) !important; color: #000 !important; }

.nav-hamburger { display: none; background: none; border: none; cursor: pointer; padding: 4px; }
.nav-hamburger span {
  display: block; width: 22px; height: 2px;
  background: var(--text2); margin: 5px 0; transition: 0.2s;
}

/* ── BUTTONS ── */
.btn {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 13px 26px; border-radius: 7px;
  font-family: Verdana, Geneva, Arial, sans-serif;
  font-size: 13px; font-weight: 700;
  cursor: pointer; border: none; text-decoration: none;
  transition: all 0.18s; white-space: nowrap;
}
.btn-primary { background: var(--accent); color: #000; }
.btn-primary:hover { background: var(--accent2); color: #000; transform: translateY(-2px); box-shadow: 0 4px 16px var(--accent-glow); }

.btn-ghost { background: transparent; color: var(--text2); border: 1px solid var(--border2); }
.btn-ghost:hover { border-color: var(--accent); color: var(--accent); transform: translateY(-2px); }

.btn-sm { padding: 8px 18px; font-size: 12px; }

/* ── CARDS ── */
.card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 12px; padding: 28px;
  transition: border-color 0.2s, box-shadow 0.2s, transform 0.2s;
}
.card:hover {
  border-color: rgba(16,185,129,0.40);
  box-shadow: 0 4px 24px rgba(16,185,129,0.06);
  transform: translateY(-3px);
}
.card-link { text-decoration: none; display: block; }
.card-link:hover h3, .card-link:hover h4 { color: var(--accent2); }

/* ── BADGE ── */
.badge {
  display: inline-block; padding: 3px 10px; border-radius: 20px;
  font-size: 10px; font-weight: 700; letter-spacing: 0.05em; text-transform: uppercase;
}
.badge-accent { background: var(--accent-dim); color: var(--accent2); border: 1px solid rgba(16,185,129,0.22); }
.badge-dev    { background: rgba(99,102,241,0.12); color: #a5b4fc; border: 1px solid rgba(99,102,241,0.22); }
.badge-finance { background: rgba(245,158,11,0.10); color: #fbbf24; border: 1px solid rgba(245,158,11,0.22); }
.badge-career  { background: rgba(14,165,233,0.10); color: #38bdf8; border: 1px solid rgba(14,165,233,0.22); }
.badge-personal { background: rgba(168,85,247,0.10); color: #c084fc; border: 1px solid rgba(168,85,247,0.22); }
.badge-free { background: var(--accent-dim); color: var(--accent2); border: 1px solid rgba(16,185,129,0.22); }

/* ── HIGHLIGHT BOX ── */
.highlight-box {
  background: var(--accent-dim);
  border: 1px solid rgba(16,185,129,0.20);
  border-radius: 10px; padding: 24px 28px;
}

/* ── DIVIDER ── */
.divider { height: 1px; background: var(--border); }

/* ── GRID ── */
.grid-2 { display: grid; grid-template-columns: repeat(2, 1fr); gap: 20px; }
.grid-3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }
.grid-4 { display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px; }

/* ── ICON BOXES ── */
.icon-box {
  width: 48px; height: 48px; border-radius: 10px;
  display: flex; align-items: center; justify-content: center;
  font-size: 22px; margin-bottom: 18px;
  background: var(--surface2); border: 1px solid var(--border);
  flex-shrink: 0;
}
.icon-box-sm { width: 36px; height: 36px; border-radius: 8px; font-size: 16px; margin-bottom: 0; }

/* ── APP CATEGORY ICON COLORS ── */
.icon-dev     { background: rgba(99,102,241,0.12); border-color: rgba(99,102,241,0.25); }
.icon-finance { background: rgba(245,158,11,0.10); border-color: rgba(245,158,11,0.25); }
.icon-career  { background: rgba(14,165,233,0.10); border-color: rgba(14,165,233,0.25); }
.icon-personal { background: rgba(168,85,247,0.10); border-color: rgba(168,85,247,0.25); }
.icon-accent  { background: var(--accent-dim); border-color: rgba(16,185,129,0.25); }

/* ── TAG LIST ── */
.tag-list { display: flex; flex-wrap: wrap; gap: 8px; }
.tag {
  padding: 4px 12px; border-radius: 20px; font-size: 11px; font-weight: 600;
  background: var(--surface2); color: var(--text2); border: 1px solid var(--border);
}

/* ── CHECK LIST ── */
.check-list { list-style: none; display: flex; flex-direction: column; gap: 10px; }
.check-list li {
  display: flex; align-items: flex-start; gap: 10px;
  font-size: 13px; color: var(--text2); line-height: 1.5;
}
.check-list li::before {
  content: '✓'; color: var(--accent); font-weight: 700;
  flex-shrink: 0; margin-top: 1px;
}

/* ── STAT NUMBERS ── */
.stat-num { font-size: 2.4rem; font-weight: 700; color: var(--accent); line-height: 1; }
.stat-label { font-size: 12px; color: var(--text2); margin-top: 4px; }

/* ── QUOTE BLOCK ── */
.quote-block {
  border-left: 3px solid var(--accent);
  padding: 16px 20px; margin: 24px 0;
  background: var(--surface2); border-radius: 0 8px 8px 0;
}
.quote-block p { font-style: italic; color: var(--text); font-size: 15px; margin: 0; }

/* ── FOOTER ── */
footer.site-footer {
  background: var(--bg2); border-top: 1px solid var(--border);
  padding: 44px 0; position: relative; z-index: 1;
}
.footer-inner {
  max-width: 1160px; margin: 0 auto; padding: 0 28px;
  display: flex; justify-content: space-between; align-items: flex-start;
  flex-wrap: wrap; gap: 32px;
}
.footer-logo { font-size: 1.1rem; font-weight: 700; color: var(--text); }
.footer-logo .dot { color: var(--accent); }
.footer-tagline { font-size: 12px; color: var(--muted); margin-top: 6px; }
.footer-nav { display: flex; flex-direction: column; gap: 10px; }
.footer-nav a { font-size: 12px; font-weight: 600; color: var(--text2); letter-spacing: 0.03em; }
.footer-nav a:hover { color: var(--accent); }
.footer-nav-label { font-size: 10px; font-weight: 700; color: var(--muted); text-transform: uppercase; letter-spacing: 0.1em; margin-bottom: 4px; }
.footer-bottom {
  max-width: 1160px; margin: 28px auto 0; padding: 20px 28px 0;
  border-top: 1px solid var(--border);
  display: flex; justify-content: space-between; align-items: center;
  flex-wrap: wrap; gap: 12px;
}
.footer-copy { font-size: 11px; color: var(--muted); }
.footer-email { font-size: 12px; font-weight: 600; color: var(--accent); }

/* ── BREADCRUMB / BACK LINK ── */
.back-link {
  display: inline-flex; align-items: center; gap: 6px;
  font-size: 12px; font-weight: 700; color: var(--muted);
  text-transform: uppercase; letter-spacing: 0.05em;
  text-decoration: none; transition: color 0.15s; margin-bottom: 36px;
}
.back-link:hover { color: var(--accent); }
.back-link::before { content: '←'; font-size: 14px; }

/* ── RESPONSIVE ── */
@media (max-width: 1024px) {
  .grid-4 { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 768px) {
  .grid-2, .grid-3, .grid-4 { grid-template-columns: 1fr; }
  .section { padding: 60px 0; }
  .section-sm { padding: 40px 0; }
  .nav-links { display: none; }
  .nav-links.open {
    display: flex; flex-direction: column; position: absolute;
    top: 60px; left: 0; right: 0; background: var(--surface);
    border-bottom: 1px solid var(--border); padding: 20px 28px; gap: 18px; z-index: 999;
  }
  .nav-hamburger { display: block; }
  .footer-inner { flex-direction: column; gap: 28px; }
}
@media (max-width: 480px) {
  .container { padding: 0 18px; }
  h1 { font-size: 1.6rem; }
}