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

:root{
  --bg:#0f0f12;
  --bg-subtle:#141418;
  --surface:#1a1a21;
  --surface-raised:#222230;
  --accent:#29cbb4;
  --accent-light:#3dd6c0;
  --accent-soft:rgba(41,203,180,.08);
  --accent-glow:rgba(41,203,180,.15);
  --success:#22C55E;
  --success-soft:rgba(34,197,94,.08);
  --text:#e4e4e9;
  --text-mid:#a8a8b3;
  --text-dim:#636370;
  --border:#27272f;
  --border-subtle:#1e1e26;
  --font-heading:'Space Grotesk',-apple-system,BlinkMacSystemFont,'Segoe UI',sans-serif;
  --font-body:-apple-system,BlinkMacSystemFont,'Segoe UI','Noto Sans',Helvetica,Arial,sans-serif;
  --ease-default:cubic-bezier(0.16,1,0.3,1);
  --ease-snap:cubic-bezier(0.2,0,0,1);
}

html{scroll-behavior:smooth;-webkit-text-size-adjust:100%;overflow-x:hidden}
body{
  font-family:var(--font-body);
  background:var(--bg);
  color:var(--text);
  line-height:1.6;
  font-size:16px;
  -webkit-font-smoothing:antialiased;
}
a{color:var(--accent-light);text-decoration:none;transition:color .15s}
a:hover{color:var(--text)}

.wrap{max-width:1080px;margin:0 auto;padding:0 24px}

/* ===== NAV ===== */
.nav{
  position:fixed;top:0;left:0;right:0;z-index:100;
  padding:14px 0;
  background:rgba(15,15,18,.85);
  backdrop-filter:blur(24px);-webkit-backdrop-filter:blur(24px);
  border-bottom:1px solid transparent;
  transition:border-color .3s;
}
.nav.scrolled{border-bottom-color:var(--border)}
.nav-inner{
  display:flex;align-items:center;justify-content:space-between;
  max-width:1080px;margin:0 auto;padding:0 24px;
}
.logo{font-family:var(--font-heading);font-size:19px;font-weight:700;letter-spacing:-.3px;color:var(--text)}
.logo span{color:var(--accent)}
.nav-links{display:flex;align-items:center;gap:28px}
.nav-links a{font-size:14px;color:var(--text-mid);position:relative}
.nav-links a::after{
  content:'';position:absolute;bottom:-2px;left:0;
  width:0;height:2px;background:var(--accent);
  transition:width .3s var(--ease-default);
}
.nav-links a:hover::after{width:100%}
.nav-links a:hover{color:var(--text)}
.nav-cta{
  background:var(--accent);color:#fff !important;
  padding:7px 18px;border-radius:8px;
  font-size:13px;font-weight:600;
  transition:background .15s,box-shadow .25s,transform .15s;
}
.nav-cta:hover{background:var(--accent-light);color:#fff !important;box-shadow:0 4px 20px rgba(41,203,180,.3);transform:translateY(-1px)}
.nav-cta:active{transform:translateY(0) scale(.98);transition-duration:.05s}
.nav-cta::after{display:none}

/* ===== HERO ===== */
.blog-hero{
  padding:140px 0 80px;
  position:relative;
  overflow:hidden;
}
.blog-hero::before{
  content:'';position:absolute;
  top:-80px;left:30%;
  width:700px;height:500px;
  background:radial-gradient(ellipse,rgba(41,203,180,.1) 0%,transparent 60%);
  pointer-events:none;
}
.blog-hero::after{
  content:'';position:absolute;
  top:60%;right:10%;
  width:400px;height:300px;
  background:radial-gradient(ellipse,rgba(34,197,94,.05) 0%,transparent 60%);
  pointer-events:none;
}
.hero-content{position:relative;z-index:2}
.hero-content > *{
  opacity:0;transform:translateY(24px);
  animation:staggerIn .6s var(--ease-default) forwards;
}
.hero-content > *:nth-child(1){animation-delay:.1s}
.hero-content > *:nth-child(2){animation-delay:.2s}
.hero-content > *:nth-child(3){animation-delay:.35s}
.hero-content > *:nth-child(4){animation-delay:.5s}
@keyframes staggerIn{to{opacity:1;transform:translateY(0)}}

.hero-label{
  font-family:var(--font-heading);
  font-size:12px;font-weight:600;
  text-transform:uppercase;letter-spacing:.12em;
  color:var(--accent);
  margin-bottom:20px;
  display:flex;align-items:center;gap:8px;
}
.hero-label::before{
  content:'';width:24px;height:1px;background:var(--accent);
}
.blog-hero h1{
  font-family:var(--font-heading);
  font-size:clamp(32px,5vw,56px);
  font-weight:700;
  line-height:1.08;
  letter-spacing:-1.5px;
  max-width:700px;
  margin-bottom:20px;
}
.blog-hero h1 em{font-style:normal;color:var(--accent)}
.blog-hero .sub{
  font-size:17px;line-height:1.7;
  color:var(--text-mid);
  max-width:520px;
}

/* ===== FILTER TABS ===== */
.filter-row{
  display:flex;gap:8px;flex-wrap:wrap;
  margin-bottom:28px;
}
.filter-btn{
  font-family:var(--font-heading);
  font-size:13px;font-weight:500;
  padding:8px 18px;
  border-radius:20px;
  border:1px solid var(--border);
  background:transparent;
  color:var(--text-mid);
  cursor:pointer;
  transition:all .2s var(--ease-default);
}
.filter-btn:hover{
  border-color:var(--text-dim);
  color:var(--text);
  background:var(--surface);
}
.filter-btn:active{transform:scale(.97);transition-duration:.05s}
.filter-btn:focus-visible{outline:2px solid var(--accent);outline-offset:2px}
.filter-btn.active{
  background:var(--accent-soft);
  border-color:var(--accent);
  color:var(--accent-light);
}

/* ===== FEATURED POST ===== */
.featured{
  padding:80px 0 48px;
}
.featured-card{
  display:grid;
  grid-template-columns:1.2fr 1fr;
  gap:48px;
  align-items:center;
  background:var(--surface);
  border:1px solid var(--border-subtle);
  border-radius:16px;
  padding:40px;
  position:relative;
  overflow:hidden;
  transition:
    transform .3s var(--ease-default),
    box-shadow .3s ease,
    border-color .3s ease;
}
.featured-card::before{
  content:'';position:absolute;inset:0;
  background: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='0.7' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");
  opacity:.03;mix-blend-mode:overlay;pointer-events:none;z-index:1;
}
.featured-card:hover{
  transform:translateY(-3px);
  border-color:var(--accent);
  box-shadow:
    0 8px 32px rgba(0,0,0,.12),
    0 0 24px rgba(41,203,180,.06);
}
.featured-text{position:relative;z-index:2}
.featured-badge{
  display:inline-flex;align-items:center;gap:6px;
  font-family:var(--font-heading);
  font-size:11px;font-weight:600;
  text-transform:uppercase;letter-spacing:.1em;
  color:var(--success);
  margin-bottom:20px;
}
.featured-badge::before{
  content:'';width:6px;height:6px;border-radius:50%;
  background:var(--success);
}
.featured-text h2{
  font-family:var(--font-heading);
  font-size:clamp(22px,3vw,30px);
  font-weight:700;
  letter-spacing:-.5px;
  line-height:1.2;
  margin-bottom:14px;
}
.featured-text h2 a{color:var(--text);transition:color .2s}
.featured-text h2 a:hover{color:var(--accent-light)}
.featured-excerpt{
  font-size:15px;line-height:1.7;
  color:var(--text-mid);
  margin-bottom:20px;
  max-width:480px;
}
.featured-meta{
  display:flex;align-items:center;gap:16px;
  font-size:13px;color:var(--text-dim);
}
.featured-meta .tag{
  font-family:var(--font-heading);
  font-size:11px;font-weight:600;
  text-transform:uppercase;letter-spacing:.08em;
  color:var(--accent-light);
  background:var(--accent-soft);
  padding:3px 10px;border-radius:12px;
}
.featured-visual{
  position:relative;z-index:2;
  background:var(--bg);
  border:1px solid var(--border);
  border-radius:12px;
  padding:28px;
  display:flex;flex-direction:column;gap:12px;
}
.fv-bar{
  height:8px;border-radius:4px;
  background:var(--border);
  position:relative;overflow:hidden;
}
.fv-bar .fill{
  position:absolute;top:0;left:0;height:100%;
  border-radius:4px;
}
.fv-bar:nth-child(1) .fill{width:72%;background:var(--accent)}
.fv-bar:nth-child(2) .fill{width:45%;background:var(--accent);opacity:.7}
.fv-bar:nth-child(3) .fill{width:88%;background:var(--success)}
.fv-bar:nth-child(4) .fill{width:30%;background:var(--accent);opacity:.5}
.fv-label{
  display:flex;justify-content:space-between;
  font-size:12px;color:var(--text-dim);
  margin-top:4px;
}
.fv-label strong{color:var(--text);font-weight:600}

/* ===== BLOG GRID ===== */
.blog-grid-section{padding:48px 0 120px}
.grid-header{
  display:flex;justify-content:space-between;align-items:baseline;
  margin-bottom:36px;
}
.grid-header h2{
  font-family:var(--font-heading);
  font-size:14px;font-weight:600;
  text-transform:uppercase;letter-spacing:.1em;
  color:var(--text-dim);
}
.grid-header .count{
  font-size:13px;color:var(--text-dim);
}

.blog-grid{
  display:grid;
  grid-template-columns:repeat(3,1fr);
  gap:20px;
}

.post-card-link{
  color:inherit;
  text-decoration:none;
  display:flex;
  cursor:pointer;
}
.post-card-link:hover{color:inherit}

.post-card{
  background:var(--surface);
  border:1px solid var(--border-subtle);
  border-radius:14px;
  padding:28px 24px;
  display:flex;flex-direction:column;
  transition:
    transform .3s var(--ease-default),
    box-shadow .3s ease,
    border-color .3s ease;
}
.post-card:hover{
  transform:translateY(-4px);
  border-color:var(--accent);
  box-shadow:
    0 8px 32px rgba(0,0,0,.12),
    0 0 20px rgba(41,203,180,.06);
}
.post-card:active{transform:translateY(-2px);transition-duration:.05s}
.post-tag{
  font-family:var(--font-heading);
  font-size:11px;font-weight:600;
  text-transform:uppercase;letter-spacing:.08em;
  margin-bottom:14px;
}
.post-tag.strategies{color:var(--accent-light)}
.post-tag.adhd{color:#a78bfa}
.post-tag.couples{color:#f472b6}
.post-tag.numbers{color:var(--success)}
.post-card h3{
  font-family:var(--font-heading);
  font-size:18px;font-weight:700;
  letter-spacing:-.3px;
  line-height:1.3;
  margin-bottom:10px;
}
.post-card h3 a{color:var(--text);transition:color .2s}
.post-card h3 a:hover{color:var(--accent-light)}
.post-card .excerpt{
  font-size:14px;line-height:1.65;
  color:var(--text-mid);
  margin-bottom:auto;
  padding-bottom:20px;
}
.post-card .card-foot{
  display:flex;justify-content:space-between;align-items:center;
  padding-top:16px;
  border-top:1px solid var(--border-subtle);
  font-size:12px;color:var(--text-dim);
}
.read-time{font-family:var(--font-heading);font-weight:500}

/* Stagger the grid for visual rhythm */
.blog-grid .post-card:nth-child(3n+2){transform:translateY(12px)}
.blog-grid .post-card:nth-child(3n+2):hover{transform:translateY(8px)}

/* ===== NEWSLETTER CTA ===== */
.newsletter{
  padding:0 0 160px;
}
.newsletter-box{
  background:var(--surface-raised);
  border:1px solid var(--border);
  border-radius:16px;
  padding:56px 48px;
  display:grid;
  grid-template-columns:1.4fr 1fr;
  gap:48px;
  align-items:center;
  position:relative;
  overflow:hidden;
  box-shadow:0 4px 32px rgba(41,203,180,.08);
}
.newsletter-box::before{
  content:'';position:absolute;
  top:-40%;right:-10%;
  width:500px;height:400px;
  background:radial-gradient(ellipse,rgba(41,203,180,.12) 0%,transparent 60%);
  pointer-events:none;
}
.nl-text{position:relative;z-index:2}
.nl-text h2{
  font-family:var(--font-heading);
  font-size:clamp(22px,3vw,28px);
  font-weight:700;
  letter-spacing:-.5px;
  line-height:1.2;
  margin-bottom:12px;
}
.nl-text h2{color:var(--text)}
.nl-text p{
  font-size:15px;line-height:1.7;
  color:var(--text);opacity:.75;
}
.nl-form{
  position:relative;z-index:3;
  display:flex;gap:10px;
}
.nl-form input{
  flex:1;
  padding:14px 18px;
  border-radius:10px;
  border:1px solid var(--border);
  background:var(--surface);
  color:var(--text);
  font-family:var(--font-body);
  font-size:15px;
  transition:border-color .2s,box-shadow .2s;
}
.nl-form input::placeholder{color:var(--text-dim)}
.nl-form input:focus{
  outline:none;
  border-color:var(--accent);
  box-shadow:0 0 0 3px var(--accent-soft);
}
.nl-form button{
  padding:14px 24px;
  border-radius:10px;
  border:none;
  background:var(--accent);
  color:#fff;
  font-family:var(--font-heading);
  font-size:14px;font-weight:600;
  cursor:pointer;
  white-space:nowrap;
  transition:background .2s,box-shadow .25s,transform .15s;
}
.nl-form button:hover{
  background:var(--accent-light);
  box-shadow:0 4px 20px rgba(41,203,180,.3);
  transform:translateY(-1px);
}
.nl-form button:active{transform:translateY(0) scale(.98);transition-duration:.05s}
.nl-form button:focus-visible{outline:2px solid var(--accent);outline-offset:3px}

/* ===== FOOTER ===== */
footer{
  border-top:1px solid var(--border-subtle);
  padding:32px 0;
}
.foot-inner{
  display:flex;align-items:center;justify-content:space-between;
  flex-wrap:wrap;gap:16px;
}
.foot-links{display:flex;gap:24px}
.foot-links a{font-size:13px;color:var(--text-dim);position:relative}
.foot-links a::after{
  content:'';position:absolute;bottom:-2px;left:0;
  width:0;height:1px;background:var(--accent);
  transition:width .3s var(--ease-default);
}
.foot-links a:hover{color:var(--text-mid)}
.foot-links a:hover::after{width:100%}
.foot-copy{font-size:12px;color:var(--text-dim)}

/* ===== SCROLL REVEAL ===== */
@supports (animation-timeline:view()){
  .reveal{
    animation:revealUp linear;
    animation-timeline:view();
    animation-range:entry 0% cover 40%;
  }
  @keyframes revealUp{
    from{opacity:0;transform:translateY(40px) scale(.97)}
    to{opacity:1;transform:translateY(0) scale(1)}
  }
}
@supports not (animation-timeline:view()){
  .reveal{opacity:1;transform:none}
}
@media(prefers-reduced-motion:reduce){
  *,*::before,*::after{animation-duration:.01ms !important;transition-duration:.01ms !important}
}

/* ===== MOBILE ===== */
@media(max-width:768px){
  .blog-hero{padding:120px 0 60px}
  .blog-hero h1{letter-spacing:-1px}
  .featured-card{
    grid-template-columns:1fr;
    padding:28px;gap:28px;
  }
  .blog-grid{grid-template-columns:1fr}
  .blog-grid .post-card:nth-child(3n+2){transform:none}
  .blog-grid .post-card:nth-child(3n+2):hover{transform:translateY(-4px)}
  .newsletter-box{
    grid-template-columns:1fr;
    padding:32px 24px;gap:28px;
  }
  .nl-form{flex-direction:column}
  .nav-links .hide-m{display:none}
  .filter-row{gap:6px}
  .filter-btn{font-size:12px;padding:7px 14px}
}
@media(max-width:480px){
  .foot-inner{flex-direction:column;text-align:center}
}