:root{
      --bg:#060b19;
      --glass: rgba(12, 32, 68, .35);
      --text:#eaf3ff;
      --muted:#9fb3d4;
      --grad1:#60a5fa; --grad2:#22d3ee; --grad3:#a855f7;
    }

    *{ box-sizing:border-box; }
    body{
      margin:0;
      font-family:'Poppins', system-ui, -apple-system, Segoe UI, Roboto, Arial, sans-serif;
      /* background:var(--bg);
      color:var(--text); */
    }

    html, body {
    overflow-x: hidden;
}

/* =================== FIXED NAV WRAPPER =================== */
.nav-overlay{
  position: fixed;                          /* keep it visible on scroll */
  top: max(18px, env(safe-area-inset-top)); /* handle iOS notch */
  left: 0; right: 0;
  z-index: 3000;
}

/* =================== NAV PILL + LINKS =================== */
/* logo that sits OUTSIDE the pill (used in some layouts) */
.outside-brand img{ height:32px; width:auto; }
.outside-brand span{ color:#fff; }

/* remove default navbar padding so we can control spacing */
.navbar{ padding:0; }

/* blur / rounded pill (desktop / default) */
.nav-glass{
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  background:#2a4cff;               /* your blue pill */
  border:1px solid #fff;
  border-radius:56px;
  padding:.35rem .75rem;
  box-shadow: inset 0 0 0 1px rgba(255,255,255,.06), 0 8px 30px rgba(0,0,0,.25);
  width:100%;                        /* pill grows to full row width */
}

/* make the UL fill the pill left→right */
.navbar-collapse{ flex-grow:1; }
.nav-glass .navbar-nav{
  margin-left:0 !important;          /* ignore any ms-auto in HTML */
  width:100%;
  display:flex;
  align-items:center;
  justify-content:space-between;     /* spread items edge to edge */
  gap:.25rem;
  padding:0;
}

/* link + button styles */
.navbar .nav-link{
  color:#fff; opacity:.95;
  border-radius:999px;
  padding:.6rem .95rem;
}
.navbar .nav-link:hover,
.navbar .nav-link.active{
  background:#fff; color:#000 !important;
}
.btn-pill{
  border-radius:999px;
  padding:.55rem 1rem;
  color:#fff;
  background:linear-gradient(90deg,var(--grad1),var(--grad2));
  border:none;
}
.navbar-brand{
  width: 100px !important;
  height: 60px !important;
}

/* toggler on dark bg */
.navbar-toggler{ border:1px solid rgba(255,255,255,.35); }
.navbar-toggler-icon{ filter:invert(1) grayscale(1) contrast(200%); }

/* =================== MOBILE BEHAVIOR (no transparent navbar) =================== */
@media (max-width: 991.98px){
  .nav-glass{
    border-radius:20px;
    padding:.5rem;
    background:#2a4cff !important;     /* <-- solid blue on mobile (no transparency) */
    backdrop-filter:none;               /* avoid odd transparency stack on some devices */
    -webkit-backdrop-filter:none;
  }
  /* collapsed menu stacks inside the pill box */
  .nav-glass .navbar-nav{
    flex-direction:column;
    align-items:stretch;
    gap:.25rem;
    width:100%;
  }
  /* ensure the collapse wrapper itself doesn't introduce transparency */
  .navbar-collapse{
    background:transparent !important;
  }
  .navbar-toggler{
    background: rgba(0,0,0,.25);
    border-color: rgba(255,255,255,.6);
  }
}

/* Mobile navbar background */
@media (max-width: 991.98px) {


  .nav-glass {
    background: transparent !important;  /* let overlay provide the bg */
    border: none;
    box-shadow: none;
  }

  .navbar-toggler {
    background: rgba(0,0,0,0.25);   /* optional: dark backdrop for button */
    border-radius: 8px;
  }

  .navbar-collapse {
    background: #2a4cff;  /* collapsed menu has solid background */
    border-radius: 12px;
    margin-top: 0.5rem;
    padding: 0.75rem 1rem;
  }

  .navbar-nav .nav-link {
    display: block;
    text-align: left;
    padding: 0.75rem;
    border-radius: 6px;
  }
}

/* Mobile menu: transparent header initially */
@media (max-width: 991.98px){
  /* header bar (the row with logo + toggler) */
  .navbar-mobile{
    background: transparent;
  }
  /* your blue desktop pill stays invisible on mobile */
  .navbar-mobile .nav-glass{
    background: transparent !important;
    border: 0; box-shadow: none; border-radius: 0;
    width: 100%;
  }

  /* The collapsed menu panel */
  .navbar-mobile .navbar-collapse{
    position: absolute;                 /* float under the bar */
    top: calc(100% + 10px);
    left: 12px; right: 12px;
    background: rgba(42,76,255,.98) !important;    /* SOLID blue panel */
    border-radius: 16px;
    padding: .75rem;
    box-shadow: 0 14px 32px rgba(0,0,0,.35);
    z-index: 4000;
  }
  /* Ensure Bootstrap collapse uses block in this layout */
  .navbar-mobile .navbar-collapse.collapse{ display:none !important; }
  .navbar-mobile .navbar-collapse.show{ display:block !important; }

  /* Stack links vertically and make them full-width touch targets */
  .navbar-mobile .navbar-nav{
    flex-direction: column;
    align-items: stretch;
    justify-content: flex-start;
    gap: .35rem;
    width: 100%;
  }
  .navbar-mobile .nav-link,
  .navbar-mobile .btn-pill{
    display: block;
    width: 100%;
    text-align: left;
    padding: .85rem 1rem;
    border-radius: 12px;
    color: #fff;
    background: transparent;
  }
  .navbar-mobile .nav-link:hover{ background: rgba(255,255,255,.12); }
  .navbar-mobile .nav-link.active{ background:#fff; color:#000 !important; }

  /* Toggler visibility */
  .navbar-toggler{
    background: #2a4cff;
    border-radius: 10px;
    border: 1px solid rgba(255,255,255,.6);
  }
}

/* When you scroll a bit, give the bar itself a background (nice sticky look) */
@media (max-width: 991.98px){
  .navbar-mobile.scrolled{
    background: #2a4cff;               /* same blue as panel */
    box-shadow: 0 6px 20px rgba(0,0,0,.25);
    border-radius: 25px;
  }
}

/* Optional: lock body scroll while menu open */
body.no-scroll{ overflow: hidden; }

    /* ===== HERO ===== */
   /* Smaller hero height */
.hero{
  position:relative;
  min-height: clamp(520px, 70vh, 820px);   /* was 100vh */
  display:flex;
  align-items:center;
  overflow:hidden;
  background:
    radial-gradient(1200px 600px at 20% 60%, rgba(96,165,250,.15), rgba(6,11,25,0) 45%),
    linear-gradient(180deg, rgba(6,11,25,.45), rgba(6,11,25,.85)),
    url('what-hero.png') center/cover no-repeat;
  padding-top: clamp(96px, 12vw, 140px);
}

@media (max-width: 991px){
  .hero{ min-height: clamp(440px, 62vh, 720px); }
}


    /* Navbar overlay INSIDE hero */
    .nav-overlay{ position:absolute; top:18px; left:0; right:0; z-index:20; }
    /* If you want sticky-on-scroll, change to position:fixed and keep the hero padding-top */

  /* Replace your current .hero-decor filter line with this */
.hero-decor{
  position:absolute;
  right:-120px;
  top:-110px;
  width:min(58vw, 720px);
  height:auto;
  z-index:1;
  pointer-events:none;
  mix-blend-mode: screen;
  /* brighter + punchier + shadow */
  filter: brightness(1.20) saturate(1.2) contrast(1.05)
          drop-shadow(0 18px 40px rgba(0,0,0,.35));
  opacity:.95;
}

    .hero .container{ position:relative; z-index:2; }

    .eyebrow{
      font-size:clamp(.8rem,.7rem + .3vw,1rem);
      letter-spacing:.08em; text-transform:uppercase; color:#fff; margin-bottom:.75rem;
    }

    /* Left accent gradient bar parallel to text */
    .accent-block{ position:relative; padding-left:1.15rem; max-width:1100px; }
    .accent-block::before{
      content:""; position:absolute; left:0; top:.25rem; bottom:.25rem; width:8px; border-radius:8px;
      background:linear-gradient(180deg,var(--grad1),var(--grad2),var(--grad3));
      box-shadow:0 0 18px rgba(96,165,250,.6);
    }

    .hero h2{ letter-spacing:.06em; }
    .hero h1{
      font-weight:800; line-height:1.08;
      font-size:clamp(1.9rem, 1.1rem + 3vw, 4rem);
      margin:0 0 .75rem 0;
    }
    .hero .helper{ color:var(--muted); font-size:.95rem; }

 :root{
  --grad1:#60a5fa;  /* blue  */
  --grad2:#22d3ee;  /* cyan  */
  --grad3:#a855f7;  /* violet*/
}

/* Transparent-fill, gradient-border button */
.btn-outline-gradient{
  --bw: 2px;                 /* border width */
  position: relative;
  display: inline-flex;
  align-items: center;
  gap: .6rem;
  padding: calc(.9rem - var(--bw)) calc(1.6rem - var(--bw));
  border-radius: 999px;
  color: #fff;
  text-decoration: none;
  font-weight: 600;
  background: transparent;   /* keep center transparent */
  isolation: isolate;        /* keeps pseudo-element behind text */
  transition: transform .15s ease, box-shadow .2s ease;
}

/* gradient border drawn by masking the center out */
.btn-outline-gradient::before{
  content: "";
  position: absolute;
  inset: 0;
  padding: var(--bw);
  border-radius: inherit;
  background: linear-gradient(90deg, var(--grad1), var(--grad2), var(--grad3));
  -webkit-mask: 
      linear-gradient(#000 0 0) content-box,
      linear-gradient(#000 0 0);
  -webkit-mask-composite: xor;    /* Safari */
  mask: 
      linear-gradient(#000 0 0) content-box,
      linear-gradient(#000 0 0);
  mask-composite: exclude;        /* Others */
  pointer-events: none;
  opacity: .95;
}

/* optional: soft outer glow on hover */
.btn-outline-gradient:hover{
  transform: translateY(-1px);
  box-shadow: 0 10px 24px rgba(34,211,238,.25);
}



    /* ===== Responsive ===== */
    @media (max-width: 991.98px){ .nav-glass{ border-radius:20px; } }
    @media (max-width: 768px){
      .hero{ text-align:center; }
      .accent-block{ padding-left:0; }
      .accent-block::before{
        left:50%; transform:translateX(-50%);
        width:64px; height:6px; top:-14px; bottom:auto; border-radius:99px;
      }
      .hero-decor{ width:420px; right:-160px; top:-140px; opacity:.8; }
      .btn-gradient-border{ width:100%; justify-content:center; }
    }

/* 1) Make the navbar float on top of every page */
.nav-overlay{
  position: fixed;                                 /* was: absolute */
  top: max(18px, env(safe-area-inset-top));        /* iOS notch-safe */
  left: 0;
  right: 0;
  z-index: 3000;
}

/* 2) Keep space for the fixed bar (you already have this on .hero) */
.hero{
  padding-top: clamp(96px, 12vw, 140px);           /* leave as-is */
}

/* 3) Nice mobile dropdown when fixed */
@media (max-width: 991.98px){
  .nav-glass{ border-radius: 20px; }

  /* give the collapsed menu its own blurred box under the fixed bar */
  .nav-glass .navbar-collapse{
    background: rgba(12,32,68,.45);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    border-radius: 16px;
    margin-top: .5rem;
    padding: .5rem;
    max-height: calc(100vh - 120px);               /* scroll if too tall */
    overflow: auto;
  }
}
/* weight helper */
.fw-800 { font-weight: 800; }

/* hero */
.blog-hero .blog-title{
  font-size: clamp(1.8rem, 1.1rem + 3.2vw, 3.4rem);
  line-height: 1.06;
  letter-spacing: .01em;
}
.blog-hero .meta{ letter-spacing: .02em; }

/* keep the article body readable width */
.content-narrow{ max-width: 980px; }

.blog-content p,
.blog-content li{
  font-size: clamp(1rem, .96rem + .25vw, 1.125rem);
  line-height: 1.8;
}
.blog-content h2{
  margin-top: 2rem; margin-bottom: .75rem; font-weight: 800;
}
.blog-content h3{
  margin-top: 1.5rem; margin-bottom: .5rem; font-weight: 800;
}

/* image crop helper */
.object-fit-cover{ width:100%; height:100%; object-fit: cover; }

/* optional: slightly larger top/bottom spacing on lg+ */
@media (min-width: 992px){
  .py-lg-6{ padding-top: 4.5rem !important; padding-bottom: 4.5rem !important; }
}