/* ════════════════════════════════════════════════════════════
   PIXEL PROFIT — Global Design Tokens & Base Styles
   Flat Design System
════════════════════════════════════════════════════════════ */

@import url('https://fonts.googleapis.com/css2?family=Outfit:wght@400;500;600;700;800;900&display=swap');

/* ── Tokens ─────────────────────────────────────────────── */
:root {
  --bg:          #FFFFFF;
  --fg:          #111827;
  --primary:     #3B82F6;
  --primary-d:   #2563EB;
  --secondary:   #10B981;
  --secondary-d: #059669;
  --accent:      #F59E0B;
  --accent-d:    #D97706;
  --muted:       #F3F4F6;
  --muted-d:     #E5E7EB;
  --border:      #E5E7EB;
  --dark:        #111827;
  --dark-2:      #1F2937;
  --dark-3:      #374151;

  --cat-freelancing: #3B82F6;
  --cat-passive:     #10B981;
  --cat-affiliate:   #F59E0B;
  --cat-ecommerce:   #EF4444;
  --cat-content:     #8B5CF6;
  --cat-tools:       #06B6D4;

  --font:        'Outfit', sans-serif;
  --r:           8px;
  --r-sm:        6px;
  --r-pill:      100px;
  --max:         1280px;
  --nav-h:       72px;
  --ease:        all 0.2s ease;
}

/* ── Reset ───────────────────────────────────────────────── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
  font-family: var(--font);
  background: var(--bg);
  color: var(--fg);
  line-height: 1.65;
  font-size: 16px;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}
img  { max-width: 100%; display: block; }
a    { text-decoration: none; color: inherit; }
ul   { list-style: none; }
button, input, textarea, select { font-family: var(--font); }
button { cursor: pointer; border: none; background: none; }
::selection { background: var(--primary); color: #fff; }

/* ── Container ───────────────────────────────────────────── */
.container {
  max-width: var(--max);
  margin: 0 auto;
  padding: 0 2rem;
}

/* ── Type Scale ──────────────────────────────────────────── */
h1, h2, h3, h4, h5 {
  font-weight: 700;
  line-height: 1.15;
  letter-spacing: -0.02em;
  color: var(--fg);
}
h1 { font-size: clamp(2.4rem, 5vw, 4rem);   font-weight: 800; }
h2 { font-size: clamp(1.8rem, 3vw, 2.6rem); font-weight: 800; }
h3 { font-size: clamp(1.2rem, 2vw, 1.5rem); font-weight: 700; }
h4 { font-size: 1.1rem;  font-weight: 700; }
p  { color: var(--dark-3); line-height: 1.75; }

/* ── Eyebrow Labels ──────────────────────────────────────── */
.label {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.14em;
  text-transform: uppercase;
}
.label::before {
  content: '';
  display: block;
  width: 20px;
  height: 3px;
  border-radius: 2px;
  background: currentColor;
}
.label-blue   { color: var(--primary); }
.label-green  { color: var(--secondary); }
.label-amber  { color: var(--accent); }
.label-white  { color: rgba(255,255,255,0.75); }
.label-muted  { color: #9CA3AF; }

/* ── Buttons ─────────────────────────────────────────────── */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 0.875rem 2rem;
  border-radius: var(--r);
  font-size: 1rem;
  font-weight: 600;
  font-family: var(--font);
  transition: var(--ease);
  cursor: pointer;
  border: none;
  text-decoration: none;
  white-space: nowrap;
  line-height: 1;
}
.btn:active  { transform: scale(0.97) !important; }
.btn:focus-visible { outline: 3px solid var(--primary); outline-offset: 3px; }

.btn-primary  { background: var(--primary);   color: #fff; }
.btn-primary:hover  { background: var(--primary-d);  color: #fff; transform: scale(1.05); }

.btn-secondary { background: var(--secondary); color: #fff; }
.btn-secondary:hover { background: var(--secondary-d); color: #fff; transform: scale(1.05); }

.btn-accent   { background: var(--accent);    color: #fff; }
.btn-accent:hover   { background: var(--accent-d);   color: #fff; transform: scale(1.05); }

.btn-muted    { background: var(--muted);     color: var(--fg); }
.btn-muted:hover    { background: var(--muted-d);    transform: scale(1.05); }

.btn-dark     { background: var(--dark);      color: #fff; }
.btn-dark:hover     { background: var(--dark-2);     color: #fff; transform: scale(1.05); }

.btn-outline  {
  background: transparent;
  color: var(--primary);
  border: 3px solid var(--primary);
}
.btn-outline:hover { background: var(--primary); color: #fff; transform: scale(1.05); }

.btn-outline-white {
  background: transparent;
  color: #fff;
  border: 3px solid #fff;
}
.btn-outline-white:hover { background: #fff; color: var(--fg); transform: scale(1.05); }

.btn-sm  { padding: 0.625rem 1.25rem; font-size: 0.875rem; }
.btn-lg  { padding: 1.1rem 2.5rem;   font-size: 1.1rem; }
.btn-xl  { padding: 1.25rem 3rem;    font-size: 1.15rem; }

/* ── Category Badges ─────────────────────────────────────── */
.badge {
  display: inline-flex;
  align-items: center;
  gap: 0.3rem;
  padding: 0.28rem 0.75rem;
  border-radius: var(--r-pill);
  font-size: 0.7rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: #fff;
}
.badge.freelancing { background: var(--cat-freelancing); }
.badge.passive     { background: var(--cat-passive); }
.badge.affiliate   { background: var(--cat-affiliate); }
.badge.ecommerce   { background: var(--cat-ecommerce); }
.badge.content     { background: var(--cat-content); }
.badge.tools       { background: var(--cat-tools); }

/* ── Form Controls ───────────────────────────────────────── */
input[type="text"],
input[type="email"],
input[type="search"],
textarea,
select {
  display: block;
  width: 100%;
  padding: 0.875rem 1.125rem;
  background: var(--muted);
  border: 2px solid transparent;
  border-radius: var(--r);
  font-size: 1rem;
  color: var(--fg);
  transition: var(--ease);
  outline: none;
  font-family: var(--font);
}
input:focus, textarea:focus, select:focus {
  background: var(--bg);
  border-color: var(--primary);
}
input::placeholder, textarea::placeholder { color: #9CA3AF; }

/* ── Article Card ────────────────────────────────────────── */
.card {
  background: var(--bg);
  border-radius: var(--r);
  overflow: hidden;
  transition: transform 0.2s ease;
  cursor: pointer;
  display: flex;
  flex-direction: column;
  text-decoration: none;
  color: inherit;
}
.card:hover { transform: scale(1.02); }
.card-img-wrap {
  overflow: hidden;
  aspect-ratio: 16/9;
  background: var(--muted);
}
.card-img {
  width: 100%; height: 100%;
  object-fit: cover;
  transition: transform 0.3s ease;
}
.card:hover .card-img { transform: scale(1.05); }
.card-body {
  padding: 1.5rem;
  flex: 1;
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}
.card-title {
  font-size: 1.05rem;
  font-weight: 700;
  line-height: 1.3;
  letter-spacing: -0.01em;
  color: var(--fg);
}
.card-excerpt {
  font-size: 0.875rem;
  color: #6B7280;
  line-height: 1.65;
  flex: 1;
}
.card-meta {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  font-size: 0.73rem;
  color: #9CA3AF;
  font-weight: 500;
  margin-top: 0.5rem;
  flex-wrap: wrap;
}
.card-meta-dot::before { content: '·'; }

/* ── Tags ───────────────────────────────────────────────── */
.tag {
  display: inline-flex;
  padding: 0.25rem 0.75rem;
  background: var(--muted);
  border-radius: var(--r-pill);
  font-size: 0.73rem;
  font-weight: 500;
  color: #6B7280;
}

/* ── Utilities ──────────────────────────────────────────── */
.flex         { display: flex; }
.items-center { align-items: center; }
.gap-1        { gap: 0.5rem; }
.gap-2        { gap: 1rem; }
.wrap         { flex-wrap: wrap; }
.between      { justify-content: space-between; }
.center       { text-align: center; }
.mt-1  { margin-top: 0.5rem; }
.mt-2  { margin-top: 1rem; }
.mt-3  { margin-top: 1.5rem; }
.mt-4  { margin-top: 2rem; }
.mb-1  { margin-bottom: 0.5rem; }
.mb-2  { margin-bottom: 1rem; }
.mb-3  { margin-bottom: 1.5rem; }
.white { color: #fff; }
.muted-text { color: rgba(255,255,255,0.65); }

/* ── Scroll / Selection ─────────────────────────────────── */
::-webkit-scrollbar { width: 6px; }
::-webkit-scrollbar-track { background: var(--muted); }
::-webkit-scrollbar-thumb { background: var(--muted-d); border-radius: 3px; }

/* ── Fade-up animation ──────────────────────────────────── */
@keyframes fadeUp {
  from { opacity: 0; transform: translateY(28px); }
  to   { opacity: 1; transform: translateY(0); }
}
.fade-up { animation: fadeUp 0.55s ease both; }
.d1 { animation-delay: 0.08s; }
.d2 { animation-delay: 0.16s; }
.d3 { animation-delay: 0.24s; }
.d4 { animation-delay: 0.32s; }

/* reveal on scroll */
.reveal {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 0.5s ease, transform 0.5s ease;
}
.reveal.visible { opacity: 1; transform: none; }

/* ── Responsive helpers ─────────────────────────────────── */
@media (max-width: 768px) {
  .container { padding: 0 1.25rem; }
  h1 { font-size: 2.2rem; }
  h2 { font-size: 1.7rem; }
}
@media print { .navbar, footer { display: none; } }