/* ═══════════════════════════════════════════════════════════
   FLOWSTATE INCOME — DESIGN SYSTEM
   Linear-Inspired Premium Software Aesthetic
   Syne + Instrument Serif | Obsidian / Violet / Cyan
   ═══════════════════════════════════════════════════════════ */

@import url('https://fonts.googleapis.com/css2?family=Syne:wght@400;500;600;700;800&family=Instrument+Serif:ital@0;1&family=JetBrains+Mono:wght@400;500&display=swap');

/* ── DESIGN TOKENS ── */
:root {
  /* Background layers */
  --bg-base:        #080a0f;
  --bg-elevated:    #0d1017;
  --bg-surface:     #111520;
  --bg-overlay:     #161c2e;
  --bg-card:        #131825;
  --bg-card-hover:  #171e30;
  --bg-subtle:      rgba(255,255,255,0.03);
  --bg-muted:       rgba(255,255,255,0.05);

  /* Borders */
  --border-faint:   rgba(255,255,255,0.04);
  --border-subtle:  rgba(255,255,255,0.07);
  --border-default: rgba(255,255,255,0.10);
  --border-strong:  rgba(255,255,255,0.16);
  --border-accent:  rgba(109,89,255,0.4);

  /* Text */
  --text-primary:   #f1f3f9;
  --text-secondary: #8b92a8;
  --text-tertiary:  #565e78;
  --text-faint:     #363d54;
  --text-inverse:   #080a0f;

  /* Accent — Violet */
  --violet-50:      #f5f3ff;
  --violet-200:     #ddd6fe;
  --violet-400:     #a78bfa;
  --violet-500:     #8b5cf6;
  --violet-600:     #6d59ff;
  --violet-700:     #5b4de8;
  --violet-900:     #1e1a4a;

  /* Accent — Cyan */
  --cyan-400:       #22d3ee;
  --cyan-500:       #06b6d4;
  --cyan-600:       #0891b2;

  /* Accent — Emerald */
  --emerald-400:    #34d399;
  --emerald-500:    #10b981;

  /* Accent — Amber */
  --amber-400:      #fbbf24;
  --amber-500:      #f59e0b;

  /* Accent — Rose */
  --rose-400:       #fb7185;
  --rose-500:       #f43f5e;

  /* Gradients */
  --grad-hero:      radial-gradient(ellipse 80% 60% at 50% -10%, rgba(109,89,255,0.18) 0%, transparent 70%);
  --grad-side-l:    radial-gradient(ellipse 50% 80% at -10% 50%, rgba(6,182,212,0.07) 0%, transparent 60%);
  --grad-side-r:    radial-gradient(ellipse 50% 80% at 110% 50%, rgba(139,92,246,0.08) 0%, transparent 60%);
  --grad-card:      linear-gradient(135deg, rgba(255,255,255,0.04) 0%, rgba(255,255,255,0) 100%);
  --grad-violet:    linear-gradient(135deg, #6d59ff 0%, #8b5cf6 50%, #a78bfa 100%);
  --grad-cyan-v:    linear-gradient(135deg, #06b6d4 0%, #6d59ff 100%);
  --grad-emerald-v: linear-gradient(135deg, #10b981 0%, #06b6d4 100%);
  --grad-text:      linear-gradient(135deg, #f1f3f9 0%, #8b92a8 100%);
  --grad-accent:    linear-gradient(135deg, #6d59ff 0%, #22d3ee 100%);

  /* Category accent gradients */
  --grad-blogging:    linear-gradient(135deg, #6d59ff, #8b5cf6);
  --grad-investing:   linear-gradient(135deg, #10b981, #06b6d4);
  --grad-affiliate:   linear-gradient(135deg, #f59e0b, #fb7185);
  --grad-digital:     linear-gradient(135deg, #06b6d4, #6d59ff);
  --grad-freelancing: linear-gradient(135deg, #fb7185, #f59e0b);
  --grad-real-estate: linear-gradient(135deg, #34d399, #6d59ff);
  --grad-youtube:     linear-gradient(135deg, #fb7185, #f43f5e);
  --grad-courses:     linear-gradient(135deg, #a78bfa, #06b6d4);

  /* Glow effects */
  --glow-violet:    0 0 40px rgba(109,89,255,0.2), 0 0 80px rgba(109,89,255,0.08);
  --glow-cyan:      0 0 40px rgba(6,182,212,0.2), 0 0 80px rgba(6,182,212,0.08);
  --glow-card:      0 4px 24px rgba(0,0,0,0.4), 0 1px 0 rgba(255,255,255,0.05) inset;
  --glow-card-h:    0 8px 40px rgba(0,0,0,0.5), 0 0 0 1px rgba(109,89,255,0.2), 0 1px 0 rgba(255,255,255,0.07) inset;

  /* Typography */
  --font-ui:        'Syne', system-ui, sans-serif;
  --font-serif:     'Instrument Serif', Georgia, serif;
  --font-mono:      'JetBrains Mono', monospace;

  /* Spacing */
  --sp-1:  0.25rem;  --sp-2:  0.5rem;   --sp-3:  0.75rem;
  --sp-4:  1rem;     --sp-5:  1.25rem;  --sp-6:  1.5rem;
  --sp-8:  2rem;     --sp-10: 2.5rem;   --sp-12: 3rem;
  --sp-16: 4rem;     --sp-20: 5rem;     --sp-24: 6rem;
  --sp-32: 8rem;

  /* Radii */
  --r-sm:   4px;  --r-md:   8px;  --r-lg:  12px;
  --r-xl:  16px;  --r-2xl: 20px;  --r-3xl: 28px;
  --r-full: 9999px;

  /* Layout */
  --max-w:      1200px;
  --max-w-wide: 1440px;
  --nav-h:      64px;

  /* Easing */
  --ease-out:   cubic-bezier(0.16, 1, 0.3, 1);
  --ease-spring:cubic-bezier(0.34, 1.56, 0.64, 1);
  --dur-fast:   120ms;
  --dur-base:   220ms;
  --dur-slow:   400ms;
  --dur-slower: 650ms;
}

/* ── RESET ── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; -webkit-font-smoothing: antialiased; }
body {
  font-family: var(--font-ui);
  font-size: 1rem;
  line-height: 1.6;
  color: var(--text-primary);
  background: var(--bg-base);
  overflow-x: hidden;
  min-height: 100vh;
}
img { max-width: 100%; display: block; }
a  { color: inherit; text-decoration: none; }
ul { list-style: none; }
button { cursor: pointer; border: none; background: none; font-family: inherit; }
input, textarea, select { font-family: inherit; }

/* ── LAYERED AMBIENT BACKGROUND ── */
.ambient-bg {
  position: fixed;
  inset: 0;
  z-index: 0;
  pointer-events: none;
  overflow: hidden;
}
.ambient-blob {
  position: absolute;
  border-radius: 50%;
  filter: blur(100px);
  opacity: 0.5;
}
.ambient-blob-1 {
  width: 700px; height: 500px;
  background: radial-gradient(ellipse, rgba(109,89,255,0.15) 0%, transparent 70%);
  top: -200px; left: 50%;
  transform: translateX(-50%);
  animation: blob-drift-1 20s ease-in-out infinite;
}
.ambient-blob-2 {
  width: 500px; height: 400px;
  background: radial-gradient(ellipse, rgba(6,182,212,0.10) 0%, transparent 70%);
  top: 30%; left: -150px;
  animation: blob-drift-2 25s ease-in-out infinite;
}
.ambient-blob-3 {
  width: 600px; height: 400px;
  background: radial-gradient(ellipse, rgba(139,92,246,0.08) 0%, transparent 70%);
  bottom: 10%; right: -200px;
  animation: blob-drift-3 22s ease-in-out infinite;
}

@keyframes blob-drift-1 {
  0%,100% { transform: translateX(-50%) translateY(0px); }
  50%      { transform: translateX(-50%) translateY(40px); }
}
@keyframes blob-drift-2 {
  0%,100% { transform: translate(0,0); }
  50%      { transform: translate(30px,-30px); }
}
@keyframes blob-drift-3 {
  0%,100% { transform: translate(0,0); }
  50%      { transform: translate(-20px,20px); }
}

/* Noise grain overlay */
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='0.9' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)' opacity='0.025'/%3E%3C/svg%3E");
  pointer-events: none;
  z-index: 1;
  opacity: 0.5;
}

/* Ensure content is above ambient */
main, header, footer, .nav { position: relative; z-index: 2; }

/* ── TYPOGRAPHY ── */
h1,h2,h3,h4,h5,h6 { font-family: var(--font-ui); font-weight: 700; line-height: 1.15; color: var(--text-primary); }
.serif { font-family: var(--font-serif); }
.mono  { font-family: var(--font-mono); }

.display-2xl { font-size: clamp(3.2rem, 7vw, 7rem); line-height: 1.0; font-weight: 800; letter-spacing: -0.04em; }
.display-xl  { font-size: clamp(2.6rem, 5.5vw, 5rem); line-height: 1.02; font-weight: 800; letter-spacing: -0.035em; }
.display-lg  { font-size: clamp(2rem, 4vw, 3.5rem); line-height: 1.06; font-weight: 700; letter-spacing: -0.03em; }
.display-md  { font-size: clamp(1.6rem, 3vw, 2.5rem); line-height: 1.1; font-weight: 700; letter-spacing: -0.025em; }
.display-sm  { font-size: clamp(1.3rem, 2.5vw, 1.875rem); line-height: 1.2; font-weight: 700; letter-spacing: -0.02em; }

.text-grad {
  background: var(--grad-accent);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}
.text-grad-violet {
  background: var(--grad-violet);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}
.text-secondary { color: var(--text-secondary); }
.text-tertiary  { color: var(--text-tertiary); }
.text-violet    { color: var(--violet-400); }
.text-cyan      { color: var(--cyan-400); }
.text-emerald   { color: var(--emerald-400); }
.text-amber     { color: var(--amber-400); }
.text-rose      { color: var(--rose-400); }
.text-center    { text-align: center; }

/* ── LAYOUT ── */
.container        { width: 100%; max-width: var(--max-w);      margin-inline: auto; padding-inline: var(--sp-6); }
.container-wide   { width: 100%; max-width: var(--max-w-wide); margin-inline: auto; padding-inline: var(--sp-6); }
.container-narrow { width: 100%; max-width: 760px;             margin-inline: auto; padding-inline: var(--sp-6); }
.section    { padding-block: var(--sp-24); }
.section-sm { padding-block: var(--sp-16); }
.section-lg { padding-block: clamp(5rem,10vw,9rem); }

/* ── CHIP / TAG ── */
.chip {
  display: inline-flex; align-items: center; gap: var(--sp-2);
  font-family: var(--font-ui);
  font-size: 0.7rem; font-weight: 600;
  letter-spacing: 0.08em; text-transform: uppercase;
  padding: 3px 10px;
  border-radius: var(--r-full);
  border: 1px solid var(--border-default);
  color: var(--text-secondary);
  background: var(--bg-muted);
  white-space: nowrap;
  transition: all var(--dur-base) var(--ease-out);
}
.chip:hover { border-color: var(--border-strong); color: var(--text-primary); }
.chip-violet { border-color: rgba(109,89,255,0.35); color: var(--violet-400); background: rgba(109,89,255,0.08); }
.chip-cyan   { border-color: rgba(6,182,212,0.3);   color: var(--cyan-400);   background: rgba(6,182,212,0.07); }
.chip-emerald{ border-color: rgba(16,185,129,0.3);  color: var(--emerald-400);background: rgba(16,185,129,0.07);}
.chip-amber  { border-color: rgba(245,158,11,0.3);  color: var(--amber-400);  background: rgba(245,158,11,0.07);}
.chip-rose   { border-color: rgba(244,63,94,0.3);   color: var(--rose-400);   background: rgba(244,63,94,0.07); }

/* ── BUTTONS ── */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: var(--sp-2);
  font-family: var(--font-ui);
  font-size: 0.875rem; font-weight: 600;
  letter-spacing: 0.01em;
  padding: var(--sp-3) var(--sp-5);
  border-radius: var(--r-lg);
  border: 1px solid transparent;
  cursor: pointer;
  transition: all var(--dur-base) var(--ease-out);
  white-space: nowrap;
  position: relative;
  overflow: hidden;
}
.btn::after {
  content: '';
  position: absolute; inset: 0;
  background: linear-gradient(135deg, rgba(255,255,255,0.06) 0%, transparent 50%);
  pointer-events: none;
}

.btn-violet {
  background: var(--grad-violet);
  color: #fff;
  border-color: rgba(109,89,255,0.5);
  box-shadow: 0 0 0 0 rgba(109,89,255,0);
}
.btn-violet:hover {
  transform: translateY(-1px);
  box-shadow: 0 4px 20px rgba(109,89,255,0.4), 0 0 40px rgba(109,89,255,0.15);
}
.btn-violet:active { transform: translateY(0); }

.btn-surface {
  background: var(--bg-overlay);
  color: var(--text-primary);
  border-color: var(--border-default);
}
.btn-surface:hover {
  background: var(--bg-card-hover);
  border-color: var(--border-strong);
  transform: translateY(-1px);
}

.btn-ghost {
  background: transparent;
  color: var(--text-secondary);
  border-color: var(--border-faint);
}
.btn-ghost:hover { color: var(--text-primary); border-color: var(--border-default); background: var(--bg-muted); }

.btn-outline-violet {
  background: rgba(109,89,255,0.06);
  color: var(--violet-400);
  border-color: rgba(109,89,255,0.25);
}
.btn-outline-violet:hover {
  background: rgba(109,89,255,0.12);
  border-color: rgba(109,89,255,0.4);
  transform: translateY(-1px);
}

.btn-lg  { font-size: 1rem;    padding: var(--sp-4) var(--sp-8); border-radius: var(--r-xl); }
.btn-sm  { font-size: 0.78rem; padding: var(--sp-2) var(--sp-4); border-radius: var(--r-md); }
.btn-xl  { font-size: 1.05rem; padding: var(--sp-5) var(--sp-10); border-radius: var(--r-2xl); }

/* ── CARDS ── */
.card {
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--r-2xl);
  position: relative;
  overflow: hidden;
  transition: all var(--dur-slow) var(--ease-out);
}
.card::before {
  content: '';
  position: absolute; inset: 0;
  background: var(--grad-card);
  pointer-events: none;
  border-radius: inherit;
}
.card:hover {
  background: var(--bg-card-hover);
  border-color: var(--border-default);
  box-shadow: var(--glow-card-h);
  transform: translateY(-2px);
}

/* Glow accent on hover */
.card-glow {
  position: absolute;
  inset: -1px;
  border-radius: inherit;
  opacity: 0;
  transition: opacity var(--dur-slow);
  pointer-events: none;
  z-index: 0;
}
.card:hover .card-glow { opacity: 1; }

/* ── NAVIGATION ── */
.nav {
  position: fixed; top: 0; left: 0; right: 0;
  height: var(--nav-h);
  z-index: 1000;
  transition: background var(--dur-slow) var(--ease-out),
              border-color var(--dur-slow) var(--ease-out);
  border-bottom: 1px solid transparent;
}
.nav.scrolled {
  background: rgba(8,10,15,0.88);
  backdrop-filter: blur(20px) saturate(1.6);
  -webkit-backdrop-filter: blur(20px) saturate(1.6);
  border-bottom-color: var(--border-subtle);
}
.nav-inner {
  height: 100%; display: flex; align-items: center; justify-content: space-between;
  gap: var(--sp-6);
}

/* Logo */
.logo {
  display: flex; align-items: center; gap: var(--sp-3);
  flex-shrink: 0; text-decoration: none;
}
.logo-mark {
  width: 32px; height: 32px;
  background: var(--grad-violet);
  border-radius: var(--r-md);
  display: flex; align-items: center; justify-content: center;
  font-size: 1rem;
  box-shadow: 0 0 20px rgba(109,89,255,0.3);
  transition: transform var(--dur-base) var(--ease-spring), box-shadow var(--dur-base);
}
.logo:hover .logo-mark {
  transform: rotate(-8deg) scale(1.1);
  box-shadow: 0 0 30px rgba(109,89,255,0.5);
}
.logo-name {
  font-size: 1.05rem; font-weight: 700;
  color: var(--text-primary);
  letter-spacing: -0.02em;
}
.logo-dot { color: var(--violet-400); }

/* Nav Links */
.nav-center {
  display: flex; align-items: center; gap: var(--sp-1);
  flex: 1; justify-content: center;
}
.nav-link {
  font-size: 0.83rem; font-weight: 500;
  color: var(--text-tertiary);
  padding: var(--sp-2) var(--sp-3);
  border-radius: var(--r-md);
  transition: color var(--dur-base), background var(--dur-base);
  position: relative;
}
.nav-link:hover, .nav-link.active { color: var(--text-primary); background: var(--bg-muted); }

/* Nav Dropdown */
.nav-dd { position: relative; }
.nav-dd-btn {
  display: flex; align-items: center; gap: 4px;
  font-size: 0.83rem; font-weight: 500;
  color: var(--text-tertiary);
  padding: var(--sp-2) var(--sp-3);
  border-radius: var(--r-md);
  cursor: pointer;
  transition: color var(--dur-base), background var(--dur-base);
}
.nav-dd-btn:hover { color: var(--text-primary); background: var(--bg-muted); }
.nav-dd-chevron {
  width: 14px; height: 14px; opacity: 0.6;
  transition: transform var(--dur-base) var(--ease-out);
}
.nav-dd:hover .nav-dd-chevron { transform: rotate(180deg); opacity: 1; }
.nav-dd-menu {
  position: absolute; top: calc(100% + 8px); left: 50%;
  transform: translateX(-50%) translateY(-8px);
  min-width: 240px;
  background: var(--bg-overlay);
  border: 1px solid var(--border-default);
  border-radius: var(--r-2xl);
  padding: var(--sp-2);
  opacity: 0; pointer-events: none;
  transition: all var(--dur-base) var(--ease-out);
  box-shadow: var(--glow-card);
  backdrop-filter: blur(20px);
}
.nav-dd:hover .nav-dd-menu { opacity: 1; pointer-events: all; transform: translateX(-50%) translateY(0); }
.dd-item {
  display: flex; align-items: center; gap: var(--sp-3);
  padding: var(--sp-3) var(--sp-4);
  border-radius: var(--r-lg);
  font-size: 0.85rem; font-weight: 500;
  color: var(--text-secondary);
  transition: all var(--dur-base);
}
.dd-item:hover { background: var(--bg-muted); color: var(--text-primary); }
.dd-icon {
  width: 28px; height: 28px;
  border-radius: var(--r-md);
  display: flex; align-items: center; justify-content: center;
  font-size: 0.85rem;
  flex-shrink: 0;
}

/* Nav CTA */
.nav-end { display: flex; align-items: center; gap: var(--sp-3); flex-shrink: 0; }

/* Mobile */
.nav-hamburger {
  display: none; flex-direction: column; gap: 5px;
  width: 28px; padding: var(--sp-2); cursor: pointer;
}
.nav-hamburger span {
  display: block; height: 1.5px; width: 100%;
  background: var(--text-secondary);
  border-radius: var(--r-full);
  transition: all var(--dur-base) var(--ease-out);
}
.nav-hamburger.open span:nth-child(1) { transform: translateY(6.5px) rotate(45deg); }
.nav-hamburger.open span:nth-child(2) { opacity: 0; transform: scaleX(0); }
.nav-hamburger.open span:nth-child(3) { transform: translateY(-6.5px) rotate(-45deg); }

.mobile-menu {
  position: fixed; top: var(--nav-h); left: 0; right: 0; bottom: 0;
  background: var(--bg-base);
  z-index: 999;
  flex-direction: column;
  padding: var(--sp-6);
  gap: var(--sp-1);
  overflow-y: auto;
  border-top: 1px solid var(--border-subtle);
  display: none;
}
.mobile-menu.open { display: flex; }
.mob-link {
  font-size: 1.25rem; font-weight: 600;
  color: var(--text-secondary);
  padding: var(--sp-4) var(--sp-2);
  border-bottom: 1px solid var(--border-faint);
  transition: color var(--dur-base);
  display: flex; align-items: center; gap: var(--sp-3);
}
.mob-link:hover { color: var(--text-primary); }

/* ── CATEGORY CARDS ── */
.cat-card {
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--r-2xl);
  padding: var(--sp-6);
  cursor: pointer;
  position: relative;
  overflow: hidden;
  transition: all var(--dur-slow) var(--ease-out);
  text-decoration: none;
  display: block;
}
.cat-card::before {
  content: '';
  position: absolute; inset: 0;
  background: var(--grad-card);
  opacity: 0;
  transition: opacity var(--dur-slow);
  border-radius: inherit;
  pointer-events: none;
}
.cat-card:hover {
  border-color: var(--border-strong);
  transform: translateY(-3px);
  box-shadow: var(--glow-card-h);
}
.cat-card:hover::before { opacity: 1; }

.cat-icon {
  width: 48px; height: 48px;
  border-radius: var(--r-xl);
  display: flex; align-items: center; justify-content: center;
  font-size: 1.4rem;
  margin-bottom: var(--sp-4);
  position: relative;
}

/* ── POST CARDS ── */
.post-card {
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--r-2xl);
  overflow: hidden;
  transition: all var(--dur-slow) var(--ease-out);
  position: relative;
  display: flex; flex-direction: column;
}
.post-card:hover {
  border-color: var(--border-default);
  box-shadow: var(--glow-card-h);
  transform: translateY(-3px);
}
.post-card-img-wrap { position: relative; overflow: hidden; flex-shrink: 0; }
.post-card-img {
  width: 100%; height: 220px; object-fit: cover; display: block;
  transition: transform var(--dur-slow) var(--ease-out);
  filter: brightness(0.9) saturate(0.85);
}
.post-card:hover .post-card-img { transform: scale(1.04); filter: brightness(0.95) saturate(0.95); }
.post-card-body { padding: var(--sp-6); display: flex; flex-direction: column; flex: 1; }
.post-card-meta {
  display: flex; align-items: center; gap: var(--sp-3);
  margin-bottom: var(--sp-3);
  flex-wrap: wrap;
}
.post-card-title {
  font-size: 1.05rem; font-weight: 700;
  color: var(--text-primary); line-height: 1.35;
  letter-spacing: -0.01em;
  transition: color var(--dur-base);
  margin-bottom: var(--sp-3);
}
.post-card-title:hover { color: var(--violet-400); }
.post-card-excerpt { font-size: 0.875rem; color: var(--text-secondary); line-height: 1.6; flex: 1; }
.post-card-footer {
  display: flex; align-items: center; justify-content: space-between;
  padding-top: var(--sp-4);
  margin-top: var(--sp-4);
  border-top: 1px solid var(--border-faint);
}
.post-card-read {
  font-size: 0.78rem; font-weight: 600;
  color: var(--violet-400);
  display: flex; align-items: center; gap: 4px;
  transition: gap var(--dur-base);
}
.post-card:hover .post-card-read { gap: 8px; }

/* Horizontal post card */
.post-card-h {
  display: flex; gap: var(--sp-4);
  padding: var(--sp-4);
  border-radius: var(--r-xl);
  border: 1px solid var(--border-faint);
  background: var(--bg-subtle);
  transition: all var(--dur-base) var(--ease-out);
}
.post-card-h:hover { background: var(--bg-muted); border-color: var(--border-default); }
.post-card-h-img {
  width: 72px; height: 72px; border-radius: var(--r-lg);
  object-fit: cover; flex-shrink: 0;
  filter: brightness(0.85) saturate(0.8);
}
.post-card-h-title {
  font-size: 0.9rem; font-weight: 600;
  color: var(--text-primary);
  line-height: 1.4; letter-spacing: -0.01em;
  transition: color var(--dur-base);
}
.post-card-h:hover .post-card-h-title { color: var(--violet-400); }

/* ── FORMS ── */
.form-group { display: flex; flex-direction: column; gap: var(--sp-2); }
.form-label {
  font-size: 0.8rem; font-weight: 600;
  color: var(--text-secondary);
  letter-spacing: 0.03em;
}
.form-label .req { color: var(--violet-400); }
.form-input, .form-select, .form-textarea {
  background: var(--bg-overlay);
  border: 1px solid var(--border-default);
  border-radius: var(--r-lg);
  padding: var(--sp-3) var(--sp-4);
  font-size: 0.9rem;
  color: var(--text-primary);
  width: 100%;
  outline: none;
  transition: border-color var(--dur-base), box-shadow var(--dur-base);
}
.form-input::placeholder { color: var(--text-faint); }
.form-input:focus, .form-select:focus, .form-textarea:focus {
  border-color: rgba(109,89,255,0.5);
  box-shadow: 0 0 0 3px rgba(109,89,255,0.1);
}
.form-select { appearance: none; cursor: pointer; }
.form-select option { background: var(--bg-overlay); }
.form-textarea { resize: vertical; min-height: 130px; }
.form-check { display: flex; align-items: flex-start; gap: var(--sp-3); cursor: pointer; }
.form-check-input {
  width: 16px; height: 16px;
  border: 1px solid var(--border-strong);
  border-radius: var(--r-sm);
  background: var(--bg-overlay);
  cursor: pointer; appearance: none;
  flex-shrink: 0; margin-top: 2px;
  transition: all var(--dur-base);
}
.form-check-input:checked {
  background: var(--violet-600);
  border-color: var(--violet-600);
  background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 12 12' xmlns='http://www.w3.org/2000/svg'%3E%3Cpath d='M2 6l3 3 5-5' stroke='white' stroke-width='1.8' fill='none' stroke-linecap='round'/%3E%3C/svg%3E");
  background-size: 75%; background-position: center; background-repeat: no-repeat;
}
.form-check-text { font-size: 0.83rem; color: var(--text-secondary); line-height: 1.5; }
.form-check-text a { color: var(--violet-400); text-decoration: underline; text-underline-offset: 2px; }

/* ── MODAL ── */
.modal-backdrop {
  position: fixed; inset: 0;
  background: rgba(8,10,15,0.85);
  backdrop-filter: blur(12px) saturate(0.8);
  -webkit-backdrop-filter: blur(12px) saturate(0.8);
  z-index: 10000;
  display: flex; align-items: center; justify-content: center;
  padding: var(--sp-4);
  opacity: 0; pointer-events: none;
  transition: opacity var(--dur-slow) var(--ease-out);
}
.modal-backdrop.open { opacity: 1; pointer-events: all; }
.modal {
  background: var(--bg-surface);
  border: 1px solid var(--border-default);
  border-radius: var(--r-3xl);
  width: 100%; max-width: 500px;
  max-height: 90vh; overflow-y: auto;
  position: relative;
  transform: scale(0.95) translateY(20px);
  transition: transform var(--dur-slow) var(--ease-out);
  box-shadow: var(--glow-card), var(--glow-violet);
  scrollbar-width: thin; scrollbar-color: var(--border-default) transparent;
}
.modal-backdrop.open .modal { transform: scale(1) translateY(0); }
.modal-header {
  padding: var(--sp-8);
  border-bottom: 1px solid var(--border-faint);
  position: sticky; top: 0;
  background: var(--bg-surface); z-index: 1;
}
.modal-title {
  font-size: 1.4rem; font-weight: 700;
  color: var(--text-primary); letter-spacing: -0.02em;
  margin-bottom: var(--sp-2);
}
.modal-sub { font-size: 0.875rem; color: var(--text-secondary); }
.modal-close {
  position: absolute; top: var(--sp-5); right: var(--sp-5);
  width: 32px; height: 32px;
  border-radius: 50%;
  border: 1px solid var(--border-default);
  display: flex; align-items: center; justify-content: center;
  color: var(--text-tertiary); font-size: 1rem;
  transition: all var(--dur-base);
}
.modal-close:hover { background: var(--bg-muted); color: var(--text-primary); border-color: var(--border-strong); }
.modal-body { padding: var(--sp-6) var(--sp-8) var(--sp-8); }
.modal-form { display: flex; flex-direction: column; gap: var(--sp-4); }

/* ── FOOTER ── */
.footer {
  background: var(--bg-elevated);
  border-top: 1px solid var(--border-faint);
  padding-top: var(--sp-20);
  position: relative; z-index: 2;
}
.footer-grid {
  display: grid;
  grid-template-columns: 1.6fr 1fr 1fr 1fr;
  gap: var(--sp-12);
  padding-bottom: var(--sp-16);
  border-bottom: 1px solid var(--border-faint);
}
.footer-brand-desc { font-size: 0.875rem; color: var(--text-tertiary); line-height: 1.7; margin-top: var(--sp-4); margin-bottom: var(--sp-5); }
.footer-col-title {
  font-size: 0.7rem; font-weight: 700;
  letter-spacing: 0.1em; text-transform: uppercase;
  color: var(--text-faint);
  margin-bottom: var(--sp-4);
}
.footer-links { display: flex; flex-direction: column; gap: var(--sp-3); }
.footer-link { font-size: 0.875rem; color: var(--text-tertiary); transition: color var(--dur-base); }
.footer-link:hover { color: var(--text-primary); }
.footer-bottom {
  display: flex; align-items: center; justify-content: space-between;
  gap: var(--sp-4); padding-block: var(--sp-6);
  flex-wrap: wrap;
}
.footer-copy { font-size: 0.78rem; color: var(--text-faint); }
.footer-legal { display: flex; gap: var(--sp-5); }
.footer-legal a { font-size: 0.75rem; color: var(--text-faint); transition: color var(--dur-base); }
.footer-legal a:hover { color: var(--text-tertiary); }
.footer-social { display: flex; gap: var(--sp-2); margin-top: var(--sp-2); }
.footer-social a {
  width: 32px; height: 32px;
  border-radius: var(--r-md);
  border: 1px solid var(--border-faint);
  display: flex; align-items: center; justify-content: center;
  font-size: 0.78rem; color: var(--text-faint);
  transition: all var(--dur-base);
}
.footer-social a:hover { border-color: rgba(109,89,255,0.3); color: var(--violet-400); background: rgba(109,89,255,0.08); }

/* ── COOKIE BANNER ── */
.cookie-banner {
  position: fixed; bottom: var(--sp-5); left: 50%;
  transform: translateX(-50%) translateY(130px);
  width: calc(100% - var(--sp-8));
  max-width: 620px;
  background: var(--bg-surface);
  border: 1px solid var(--border-default);
  border-radius: var(--r-2xl);
  padding: var(--sp-5) var(--sp-6);
  display: flex; align-items: center; gap: var(--sp-5);
  z-index: 9000;
  box-shadow: var(--glow-card), 0 0 0 1px var(--border-faint);
  transition: transform var(--dur-slow) var(--ease-out);
}
.cookie-banner.show { transform: translateX(-50%) translateY(0); }
.cookie-text { font-size: 0.83rem; color: var(--text-secondary); flex: 1; line-height: 1.6; }
.cookie-text a { color: var(--violet-400); text-decoration: underline; }
.cookie-actions { display: flex; gap: var(--sp-3); flex-shrink: 0; }

/* ── READING PROGRESS BAR ── */
.reading-progress {
  position: fixed; top: 0; left: 0;
  height: 2px; z-index: 9999;
  background: var(--grad-accent);
  transition: width 0.1s linear;
  box-shadow: 0 0 10px rgba(109,89,255,0.5);
}

/* ── SEARCH ── */
.search-wrap {
  position: relative;
}
.search-input-field {
  width: 100%;
  background: var(--bg-overlay);
  border: 1px solid var(--border-default);
  border-radius: var(--r-lg);
  padding: var(--sp-3) var(--sp-4) var(--sp-3) var(--sp-10);
  font-size: 0.875rem; color: var(--text-primary);
  outline: none;
  transition: border-color var(--dur-base), box-shadow var(--dur-base);
  font-family: var(--font-ui);
}
.search-input-field::placeholder { color: var(--text-faint); }
.search-input-field:focus { border-color: rgba(109,89,255,0.4); box-shadow: 0 0 0 3px rgba(109,89,255,0.08); }
.search-icon-pos { position: absolute; left: var(--sp-4); top: 50%; transform: translateY(-50%); color: var(--text-faint); font-size: 0.85rem; pointer-events: none; }
.search-results-drop {
  position: absolute; top: calc(100% + 6px); left: 0; right: 0;
  background: var(--bg-overlay);
  border: 1px solid var(--border-default);
  border-radius: var(--r-xl);
  box-shadow: var(--glow-card);
  z-index: 200;
  display: none; overflow: hidden;
}
.search-res-item {
  display: flex; align-items: center; gap: var(--sp-3);
  padding: var(--sp-3) var(--sp-4);
  transition: background var(--dur-base);
  text-decoration: none;
}
.search-res-item:hover { background: var(--bg-muted); }
.search-res-img { width: 44px; height: 44px; border-radius: var(--r-md); object-fit: cover; flex-shrink: 0; filter: brightness(0.85) saturate(0.8); }
.search-res-title { font-size: 0.83rem; font-weight: 600; color: var(--text-primary); line-height: 1.3; }
.search-res-meta { font-size: 0.72rem; color: var(--text-faint); margin-top: 2px; }

/* ── BREADCRUMB ── */
.breadcrumb {
  display: flex; align-items: center; gap: var(--sp-2);
  font-size: 0.78rem; color: var(--text-faint);
  margin-bottom: var(--sp-8); flex-wrap: wrap;
}
.breadcrumb a { color: var(--text-faint); transition: color var(--dur-base); }
.breadcrumb a:hover { color: var(--violet-400); }
.breadcrumb-sep { color: var(--text-faint); opacity: 0.5; }
.breadcrumb-cur { color: var(--text-tertiary); }

/* ── DIVIDERS ── */
.divider { height: 1px; background: var(--border-faint); }
.divider-grad { height: 1px; background: linear-gradient(90deg, transparent, var(--violet-600), transparent); }

/* ── PAGE HERO (inner pages) ── */
.page-hero {
  padding-top: calc(var(--nav-h) + var(--sp-16));
  padding-bottom: var(--sp-12);
  border-bottom: 1px solid var(--border-faint);
  position: relative;
}
.page-hero-glow {
  position: absolute; top: 0; left: 50%; transform: translateX(-50%);
  width: 600px; height: 300px;
  background: radial-gradient(ellipse, rgba(109,89,255,0.12) 0%, transparent 70%);
  pointer-events: none;
}

/* ── SIDEBAR ── */
.sidebar-widget {
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--r-2xl);
  padding: var(--sp-6);
  margin-bottom: var(--sp-5);
}
.sidebar-widget-title {
  font-size: 0.78rem; font-weight: 700;
  letter-spacing: 0.08em; text-transform: uppercase;
  color: var(--text-faint);
  padding-bottom: var(--sp-4);
  margin-bottom: var(--sp-4);
  border-bottom: 1px solid var(--border-faint);
}

/* ── ARTICLE CONTENT ── */
.article-content { color: var(--text-secondary); line-height: 1.8; }
.article-content h2 {
  font-size: clamp(1.4rem, 2.5vw, 1.875rem);
  font-weight: 700; color: var(--text-primary);
  letter-spacing: -0.02em; line-height: 1.2;
  margin-top: var(--sp-12); margin-bottom: var(--sp-5);
  padding-bottom: var(--sp-4);
  border-bottom: 1px solid var(--border-faint);
}
.article-content h3 {
  font-size: 1.2rem; font-weight: 700;
  color: var(--text-primary); letter-spacing: -0.01em;
  margin-top: var(--sp-8); margin-bottom: var(--sp-4);
}
.article-content p { margin-bottom: var(--sp-5); font-size: 1.05rem; }
.article-content .lead { font-size: 1.2rem; color: var(--text-secondary); font-style: italic; font-family: var(--font-serif); }
.article-content ul, .article-content ol {
  padding-left: var(--sp-6); margin-bottom: var(--sp-5);
  display: flex; flex-direction: column; gap: var(--sp-2);
}
.article-content li { font-size: 1rem; position: relative; }
.article-content ul li { list-style: disc; }
.article-content ol li { list-style: decimal; }
.article-content strong { color: var(--text-primary); font-weight: 700; }
.article-content a { color: var(--violet-400); text-decoration: underline; text-underline-offset: 3px; }

/* Article callout */
.callout {
  background: rgba(109,89,255,0.07);
  border: 1px solid rgba(109,89,255,0.2);
  border-left: 3px solid var(--violet-500);
  border-radius: var(--r-lg);
  padding: var(--sp-5) var(--sp-6);
  margin-block: var(--sp-8);
  display: flex; gap: var(--sp-4);
}
.callout-cyan {
  background: rgba(6,182,212,0.06);
  border-color: rgba(6,182,212,0.18);
  border-left-color: var(--cyan-500);
}
.callout-emerald {
  background: rgba(16,185,129,0.06);
  border-color: rgba(16,185,129,0.18);
  border-left-color: var(--emerald-500);
}
.callout-amber {
  background: rgba(245,158,11,0.06);
  border-color: rgba(245,158,11,0.18);
  border-left-color: var(--amber-500);
}
.callout-icon { font-size: 1.25rem; flex-shrink: 0; }
.callout strong { display: block; color: var(--text-primary); margin-bottom: var(--sp-2); font-size: 0.9rem; }
.callout p { margin-bottom: 0; font-size: 0.9rem; }

/* ── REVEAL ANIMATIONS ── */
.reveal {
  opacity: 0; transform: translateY(20px);
  transition: opacity var(--dur-slower) var(--ease-out), transform var(--dur-slower) var(--ease-out);
}
.reveal.visible { opacity: 1; transform: translateY(0); }
.reveal-left  { opacity: 0; transform: translateX(-24px); transition: opacity var(--dur-slower) var(--ease-out), transform var(--dur-slower) var(--ease-out); }
.reveal-right { opacity: 0; transform: translateX(24px);  transition: opacity var(--dur-slower) var(--ease-out), transform var(--dur-slower) var(--ease-out); }
.reveal-left.visible, .reveal-right.visible { opacity: 1; transform: translateX(0); }
.d1{transition-delay:80ms}.d2{transition-delay:160ms}.d3{transition-delay:240ms}
.d4{transition-delay:320ms}.d5{transition-delay:400ms}.d6{transition-delay:480ms}

/* ── TOAST ── */
.toast {
  position: fixed; bottom: 1.5rem; right: 1.5rem;
  background: var(--bg-overlay);
  border: 1px solid var(--border-default);
  color: var(--text-primary);
  padding: var(--sp-4) var(--sp-5);
  border-radius: var(--r-xl); font-size: 0.875rem; font-weight: 500;
  z-index: 99999;
  box-shadow: var(--glow-card);
  transform: translateY(100px); opacity: 0;
  transition: transform 0.3s var(--ease-out), opacity 0.3s;
  max-width: 320px;
  border-left: 2px solid var(--violet-500);
}
.toast.show { transform: translateY(0); opacity: 1; }

/* ── UTILS ── */
.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border-width:0}
.flex{display:flex}.flex-col{display:flex;flex-direction:column}
.items-center{align-items:center}.items-start{align-items:flex-start}
.justify-center{justify-content:center}.justify-between{justify-content:space-between}
.flex-wrap{flex-wrap:wrap}.gap-2{gap:var(--sp-2)}.gap-3{gap:var(--sp-3)}
.gap-4{gap:var(--sp-4)}.gap-6{gap:var(--sp-6)}.gap-8{gap:var(--sp-8)}
.w-full{width:100%}.relative{position:relative}.overflow-hidden{overflow:hidden}
.mt-4{margin-top:var(--sp-4)}.mt-6{margin-top:var(--sp-6)}.mt-8{margin-top:var(--sp-8)}
.mt-12{margin-top:var(--sp-12)}.mb-4{margin-bottom:var(--sp-4)}.mb-6{margin-bottom:var(--sp-6)}
.mb-8{margin-bottom:var(--sp-8)}.mb-12{margin-bottom:var(--sp-12)}
.grid-2{display:grid;grid-template-columns:repeat(2,1fr);gap:var(--sp-5)}
.grid-3{display:grid;grid-template-columns:repeat(3,1fr);gap:var(--sp-5)}
.grid-4{display:grid;grid-template-columns:repeat(4,1fr);gap:var(--sp-5)}
.fw-500{font-weight:500}.fw-600{font-weight:600}.fw-700{font-weight:700}.fw-800{font-weight:800}

/* ── RESPONSIVE ── */
@media(max-width:1024px){
  .grid-4{grid-template-columns:repeat(2,1fr)}
  .footer-grid{grid-template-columns:1fr 1fr;gap:var(--sp-8)}
}
@media(max-width:768px){
  .nav-center,.nav-end{display:none}
  .nav-hamburger{display:flex}
  .grid-2,.grid-3{grid-template-columns:1fr}
  .footer-grid{grid-template-columns:1fr;gap:var(--sp-8)}
  .footer-bottom{flex-direction:column;align-items:flex-start}
  .cookie-banner{flex-direction:column;gap:var(--sp-4)}
  .cookie-actions{width:100%}
  .cookie-actions .btn{flex:1;justify-content:center}
}
@media(max-width:480px){
  .container{padding-inline:var(--sp-4)}
  .grid-4{grid-template-columns:1fr}
  .modal-header,.modal-body{padding-inline:var(--sp-5)}
}