:root{
  --sky:#38bdf8; --sky-d:#0ea5e9; --deep:#0c4a6e; --ink:#0b2533; --muted:#5b7588;
  --pale:#eff8ff; --pale-2:#dff1fe; --white:#fff;
  --glass:rgba(255,255,255,.55); --glass-brd:rgba(255,255,255,.7);
  --grad:linear-gradient(120deg,#38bdf8,#0ea5e9);
  --radius:20px; --shadow:0 18px 50px rgba(14,165,233,.18); --shadow-sm:0 10px 30px rgba(14,165,233,.12);
  --font-head:'Quicksand',sans-serif; --font-body:'Inter',sans-serif;
}
*{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth}
body{font-family:var(--font-body);color:var(--ink);line-height:1.66;background:linear-gradient(165deg,#eaf6ff 0%,#dff1fe 40%,#cfeafe 100%);min-height:100vh;position:relative;overflow-x:hidden}
img{max-width:100%;display:block}
a{text-decoration:none;color:inherit}
.container{width:min(1160px,92%);margin:0 auto;position:relative;z-index:2}
.narrow{width:min(760px,92%)}
h1,h2,h3,h4{font-family:var(--font-head);font-weight:700;line-height:1.16;letter-spacing:-.01em}
.section{padding:90px 0;position:relative;z-index:2}
.kicker{display:inline-block;font-weight:700;letter-spacing:.14em;text-transform:uppercase;font-size:.74rem;color:var(--sky-d);margin-bottom:12px}
.section-head{text-align:center;max-width:640px;margin:0 auto 50px}
.section-head h2{font-size:clamp(1.9rem,3.6vw,2.8rem)}
.grad{background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent}
.pill{display:inline-block;background:rgba(14,165,233,.14);color:var(--deep);font-size:.72rem;font-weight:700;letter-spacing:.04em;text-transform:uppercase;padding:4px 12px;border-radius:50px;margin-bottom:10px}

/* glass */
.glass{background:var(--glass);backdrop-filter:blur(16px);-webkit-backdrop-filter:blur(16px);border:1px solid var(--glass-brd);box-shadow:var(--shadow-sm)}

/* floating bubbles */
.bubbles{position:fixed;inset:0;z-index:0;overflow:hidden;pointer-events:none}
.bubbles span{position:absolute;bottom:-120px;border-radius:50%;background:radial-gradient(circle at 30% 30%,rgba(255,255,255,.8),rgba(56,189,248,.25));box-shadow:inset 0 0 12px rgba(255,255,255,.6);animation:floatUp linear infinite}
.bubbles span:nth-child(1){left:6%;width:46px;height:46px;animation-duration:18s}
.bubbles span:nth-child(2){left:18%;width:26px;height:26px;animation-duration:14s;animation-delay:2s}
.bubbles span:nth-child(3){left:30%;width:60px;height:60px;animation-duration:22s;animation-delay:1s}
.bubbles span:nth-child(4){left:42%;width:32px;height:32px;animation-duration:16s;animation-delay:4s}
.bubbles span:nth-child(5){left:55%;width:52px;height:52px;animation-duration:20s}
.bubbles span:nth-child(6){left:66%;width:22px;height:22px;animation-duration:13s;animation-delay:3s}
.bubbles span:nth-child(7){left:74%;width:70px;height:70px;animation-duration:24s;animation-delay:2s}
.bubbles span:nth-child(8){left:84%;width:34px;height:34px;animation-duration:17s}
.bubbles span:nth-child(9){left:92%;width:28px;height:28px;animation-duration:15s;animation-delay:5s}
.bubbles span:nth-child(10){left:48%;width:40px;height:40px;animation-duration:19s;animation-delay:6s}
@keyframes floatUp{0%{transform:translateY(0) scale(.6);opacity:0}10%{opacity:.7}90%{opacity:.5}100%{transform:translateY(-110vh) scale(1.1);opacity:0}}

/* buttons */
.btn{display:inline-flex;align-items:center;gap:.5em;padding:14px 28px;border-radius:50px;font-weight:700;font-family:var(--font-head);cursor:pointer;border:1.6px solid transparent;font-size:.96rem;transition:.25s}
.btn-primary{background:var(--grad);color:#fff;box-shadow:0 12px 28px rgba(14,165,233,.35)}
.btn-primary:hover{transform:translateY(-2px);box-shadow:0 16px 36px rgba(14,165,233,.5)}
.btn-glass{background:var(--glass);backdrop-filter:blur(10px);color:var(--deep);border-color:var(--glass-brd)}
.btn-glass:hover{background:#fff}

/* navbar */
.navbar{position:fixed;top:0;left:0;right:0;z-index:100;padding:18px 0;transition:.3s}
.navbar.scrolled{background:rgba(255,255,255,.6);backdrop-filter:blur(16px);box-shadow:0 4px 24px rgba(14,165,233,.12);padding:12px 0}
.nav-inner{display:flex;align-items:center;justify-content:space-between}
.brand{font-family:var(--font-head);font-weight:700;font-size:1.45rem;color:var(--deep);display:flex;align-items:center;gap:.4em}
.brand i{color:var(--sky-d)}
.nav-menu{display:flex;align-items:center;gap:28px}
.nav-link{font-weight:600;font-size:.95rem;color:var(--ink);position:relative;transition:.2s}
.nav-link::after{content:"";position:absolute;left:0;bottom:-6px;width:0;height:2px;background:var(--sky-d);transition:.25s}
.nav-link:hover::after,.nav-link.active::after{width:100%}
.nav-cta{background:var(--grad);color:#fff;padding:9px 22px;border-radius:50px}
.nav-cta::after{display:none}
.nav-cta:hover{transform:translateY(-2px)}
.hamburger{display:none;flex-direction:column;gap:5px;background:none;border:none;cursor:pointer}
.hamburger span{width:26px;height:2.6px;background:var(--deep);border-radius:3px;transition:.3s}
.hamburger.open span:nth-child(1){transform:translateY(7.6px) rotate(45deg)}
.hamburger.open span:nth-child(2){opacity:0}
.hamburger.open span:nth-child(3){transform:translateY(-7.6px) rotate(-45deg)}

/* hero */
.hero{padding:165px 0 80px;text-align:center}
.hero-inner{max-width:780px;margin:0 auto}
.eyebrow{display:inline-flex;align-items:center;gap:.5em;background:var(--glass);backdrop-filter:blur(10px);border:1px solid var(--glass-brd);color:var(--deep);font-weight:600;font-size:.84rem;padding:8px 18px;border-radius:50px;margin-bottom:24px}
.eyebrow i{color:var(--sky-d)}
.hero h1{font-size:clamp(2.6rem,5.6vw,4.4rem)}
.hero p{color:var(--muted);font-size:1.16rem;margin:24px auto 32px;max-width:600px}
.hero-actions{display:flex;gap:14px;justify-content:center;flex-wrap:wrap}
.hero-meta{display:flex;gap:26px;justify-content:center;flex-wrap:wrap;margin-top:42px;color:var(--muted);font-size:.9rem;font-weight:500}
.hero-meta i{color:var(--sky-d);margin-right:.4em}

/* featured */
.featured-grid{display:grid;grid-template-columns:1.7fr 1fr;gap:28px}
.feat-lg{border-radius:var(--radius);overflow:hidden}
.feat-lg img{width:100%;height:340px;object-fit:cover}
.feat-body{padding:24px}
.feat-body h3{font-size:1.6rem;margin-bottom:10px}
.feat-body h3 a:hover{color:var(--sky-d)}
.feat-body p{color:var(--muted);margin-bottom:16px}
.byline{display:flex;align-items:center;gap:10px;font-size:.88rem;color:var(--muted)}
.byline img{width:38px;height:38px;border-radius:50%;object-fit:cover}
.byline strong{color:var(--ink)}
.feat-stack{display:flex;flex-direction:column;gap:18px}
.feat-sm{display:flex;gap:14px;align-items:center;border-radius:16px;overflow:hidden;padding:10px}
.feat-sm img{width:96px;height:78px;border-radius:12px;object-fit:cover;flex-shrink:0}
.feat-sm h4{font-size:1.04rem;line-height:1.3}
.feat-sm h4 a:hover{color:var(--sky-d)}

/* trending */
.trend-tags{display:flex;flex-wrap:wrap;gap:12px;justify-content:center}
.trend-tags a{padding:11px 22px;border-radius:50px;font-weight:600;font-size:.94rem;color:var(--deep);background:var(--glass);backdrop-filter:blur(10px);border:1px solid var(--glass-brd);transition:.25s}
.trend-tags a:hover{background:var(--grad);color:#fff;transform:translateY(-3px)}

/* categories */
.cat-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.catcard{border-radius:var(--radius);padding:32px 24px;text-align:center;transition:.3s}
.catcard:hover{transform:translateY(-7px);box-shadow:var(--shadow)}
.catcard i{font-size:1.8rem;color:var(--sky-d);margin-bottom:12px}
.catcard h3{font-size:1.24rem}
.catcard span{color:var(--muted);font-size:.84rem}

/* posts */
.post-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:22px}
.post{border-radius:var(--radius);overflow:hidden;transition:.3s}
.post:hover{transform:translateY(-7px);box-shadow:var(--shadow)}
.post img{height:180px;width:100%;object-fit:cover}
.post-body{padding:20px}
.post-body h3{font-size:1.16rem;margin-bottom:8px;line-height:1.32}
.post-body h3 a:hover{color:var(--sky-d)}
.post-date{font-size:.82rem;color:var(--sky-d);font-weight:600}

/* author */
.author-card{border-radius:26px;padding:40px;display:grid;grid-template-columns:auto 1fr;gap:38px;align-items:center}
.author-card img{width:200px;height:200px;border-radius:24px;object-fit:cover}
.author-text h2{font-size:clamp(1.8rem,3.2vw,2.4rem);margin:6px 0 14px}
.author-text p{color:var(--muted);margin-bottom:12px}
.author-socials{display:flex;gap:12px;margin-top:18px}
.author-socials a{width:42px;height:42px;border-radius:50%;background:#fff;color:var(--sky-d);display:grid;place-items:center;box-shadow:var(--shadow-sm);transition:.25s}
.author-socials a:hover{background:var(--grad);color:#fff}

/* newsletter */
.news-card{border-radius:26px;padding:54px 40px;text-align:center}
.news-icon{font-size:2.2rem;color:var(--sky-d);margin-bottom:16px}
.news-card h2{font-size:clamp(1.7rem,3vw,2.3rem)}
.news-card p{color:var(--muted);margin:14px auto 26px;max-width:460px}
.news-form{display:flex;gap:10px;max-width:460px;margin:0 auto;flex-wrap:wrap}
.news-form input{flex:1;min-width:200px;padding:14px 18px;border-radius:50px;border:1.5px solid var(--glass-brd);font-family:inherit;font-size:.95rem;background:rgba(255,255,255,.7)}
.news-form input:focus{outline:none;border-color:var(--sky-d)}

/* quotes */
.quote-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.quote{border-radius:var(--radius);padding:30px}
.stars{color:#fbbf24;margin-bottom:14px;display:flex;gap:3px}
.quote blockquote{font-size:1.02rem;color:var(--ink);margin-bottom:18px}
.quote figcaption{display:flex;align-items:center;gap:12px}
.quote figcaption img{width:44px;height:44px;border-radius:50%;object-fit:cover}
.quote figcaption strong{display:block}
.quote figcaption span{color:var(--muted);font-size:.84rem}

/* contact */
.split{display:grid;grid-template-columns:1fr 1fr;gap:50px;align-items:center}
.contact-info h2{font-size:clamp(1.8rem,3.4vw,2.5rem);margin:8px 0 14px}
.contact-info>p{color:var(--muted)}
.contact-list{list-style:none;margin:22px 0;display:grid;gap:14px}
.contact-list li{display:flex;align-items:center;gap:.8em;font-weight:500}
.contact-list i{color:var(--sky-d);width:20px}
.socials{display:flex;gap:12px}
.socials a{width:42px;height:42px;border-radius:50%;background:#fff;color:var(--sky-d);display:grid;place-items:center;box-shadow:var(--shadow-sm);transition:.25s}
.socials a:hover{background:var(--grad);color:#fff}
.contact-form{border-radius:var(--radius);padding:34px;display:grid;gap:16px}
.field label{display:block;font-weight:600;font-size:.86rem;margin-bottom:6px}
.field input,.field textarea{width:100%;padding:13px 16px;border:1.5px solid var(--glass-brd);border-radius:12px;font-family:inherit;font-size:.95rem;background:rgba(255,255,255,.7);transition:.2s}
.field input:focus,.field textarea:focus{outline:none;border-color:var(--sky-d);background:#fff}

/* footer */
.footer{background:linear-gradient(160deg,var(--deep),#072c43);color:#fff;padding:60px 0 0;position:relative;z-index:2}
.footer-inner{display:grid;grid-template-columns:1.3fr 2fr;gap:40px;padding-bottom:42px}
.footer-brand .brand{color:#fff}
.footer-brand .brand i{color:var(--sky)}
.footer-brand p{color:rgba(255,255,255,.72);margin-top:14px;max-width:300px}
.footer-cols{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.footer-cols h4{font-size:1rem;margin-bottom:14px;color:var(--sky)}
.footer-cols a{display:block;color:rgba(255,255,255,.72);font-size:.92rem;margin-bottom:9px;transition:.2s}
.footer-cols a:hover{color:#fff;padding-left:4px}
.footer-bottom{border-top:1px solid rgba(255,255,255,.14);padding:22px 0;text-align:center;font-size:.88rem;color:rgba(255,255,255,.72)}
.footer-bottom a{color:var(--sky);font-weight:600}

/* back to top */
.back-to-top{position:fixed;right:24px;bottom:24px;width:50px;height:50px;border-radius:50%;border:none;background:var(--grad);color:#fff;cursor:pointer;opacity:0;visibility:hidden;transform:translateY(14px);transition:.3s;box-shadow:var(--shadow);z-index:90}
.back-to-top.visible{opacity:1;visibility:visible;transform:translateY(0)}
.back-to-top:hover{transform:translateY(-3px)}

/* reveal */
.reveal{opacity:0;transform:translateY(28px);transition:opacity .6s ease,transform .6s ease}
.reveal.visible{opacity:1;transform:none}

@media(max-width:1024px){
  .post-grid{grid-template-columns:repeat(2,1fr)}
  .cat-grid,.quote-grid{grid-template-columns:repeat(2,1fr)}
}
@media(max-width:768px){
  .hamburger{display:flex}
  .nav-menu{position:fixed;top:0;right:-100%;height:100vh;width:78%;max-width:320px;background:rgba(255,255,255,.85);backdrop-filter:blur(20px);flex-direction:column;justify-content:center;gap:26px;transition:right .35s}
  .nav-menu.open{right:0}
  .featured-grid,.split,.footer-inner{grid-template-columns:1fr}
  .author-card{grid-template-columns:1fr;text-align:center;justify-items:center}
}
@media(max-width:560px){
  .post-grid,.cat-grid,.quote-grid,.footer-cols{grid-template-columns:1fr}
  .section{padding:66px 0}
}