/*
Theme Name: AquaVerdia
Theme URI: https://aquaverdia.world/
Author: AquaVerdia
Description: Modern minimal glassmorphism theme for AquaVerdia — The World of Aquatic Plants. SEO-first, lightweight, Rank Math-aware.
Version: 1.0.0
Text Domain: aquaverdia
*/

/* ---------- Tokens ---------- */
:root{
  --deep:#06283a;
  --deep-2:#0a3a52;
  --teal:#0e7c86;
  --aqua:#2dd4bf;
  --aqua-soft:#a5f3e8;
  --ink:#0c2b33;
  --muted:#4b6b74;
  --glass:rgba(255,255,255,.62);
  --glass-border:rgba(255,255,255,.55);
  --radius:18px;
  --shadow:0 10px 30px rgba(4,40,58,.14);
  --maxw:1140px;
  --font:-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,Helvetica,Arial,sans-serif;
}

/* ---------- Base ---------- */
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;
  font-family:var(--font);
  color:var(--ink);
  line-height:1.7;
  background:linear-gradient(160deg,#eafcf8 0%,#d9f4fb 45%,#cdeefb 100%);
  background-attachment:fixed;
  -webkit-text-size-adjust:100%;
}
img{max-width:100%;height:auto;display:block}
a{color:var(--teal);text-decoration:none}
a:hover{color:var(--deep-2);text-decoration:underline}
h1,h2,h3,h4{line-height:1.25;color:var(--deep);margin:1.4em 0 .5em}
h1{font-size:clamp(1.9rem,4.5vw,2.9rem);letter-spacing:-.01em}
h2{font-size:clamp(1.4rem,3vw,1.9rem)}
h3{font-size:1.2rem}
p{margin:0 0 1.1em}
ul,ol{margin:0 0 1.1em;padding-left:1.4em}
.wrap{max-width:var(--maxw);margin:0 auto;padding:0 20px}
main{display:block}

/* Screen-reader text */
.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}

/* ---------- Glass card ---------- */
.glass{
  background:var(--glass);
  -webkit-backdrop-filter:blur(14px) saturate(1.3);
  backdrop-filter:blur(14px) saturate(1.3);
  border:1px solid var(--glass-border);
  border-radius:var(--radius);
  box-shadow:var(--shadow);
}

/* ---------- Header ---------- */
.site-header{
  position:sticky;top:0;z-index:100;
  background:rgba(6,40,58,.82);
  -webkit-backdrop-filter:blur(16px) saturate(1.4);
  backdrop-filter:blur(16px) saturate(1.4);
  border-bottom:1px solid rgba(255,255,255,.14);
}
.header-inner{display:flex;align-items:center;justify-content:space-between;gap:16px;padding:12px 20px;max-width:var(--maxw);margin:0 auto}
.brand{display:flex;align-items:center;gap:10px;color:#fff;font-weight:800;font-size:1.35rem;letter-spacing:.01em}
.brand:hover{color:var(--aqua-soft);text-decoration:none}
.brand-mark{width:38px;height:38px;border-radius:12px;background:linear-gradient(135deg,var(--aqua),#22a7b8);display:flex;align-items:center;justify-content:center;font-size:1.4rem;box-shadow:0 4px 12px rgba(45,212,191,.4)}
.brand small{display:block;font-size:.62rem;font-weight:500;color:#bfe9e2;letter-spacing:.14em;text-transform:uppercase}

/* Nav */
.nav-toggle{display:none;background:none;border:1px solid rgba(255,255,255,.35);border-radius:10px;color:#fff;padding:8px 12px;font-size:1.1rem;cursor:pointer}
.primary-nav ul{list-style:none;margin:0;padding:0;display:flex;flex-wrap:wrap;gap:2px}
.primary-nav a{color:#e8f7f4;font-size:.86rem;font-weight:600;padding:9px 11px;border-radius:10px;display:block}
.primary-nav a:hover,.primary-nav .current-menu-item a{background:rgba(45,212,191,.18);color:#fff;text-decoration:none}

/* ---------- Hero ---------- */
.hero{
  position:relative;
  min-height:min(72vh,620px);
  display:flex;align-items:center;justify-content:center;text-align:center;
  background:#06283a url("assets/img/aquarium-hero-underwater-sea-background.jpg") center/cover no-repeat;
  color:#fff;overflow:hidden;
}
.hero::after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,rgba(4,32,46,.35) 0%,rgba(4,32,46,.15) 45%,rgba(4,32,46,.55) 100%)}
.hero-inner{position:relative;z-index:2;max-width:760px;padding:70px 24px}
.hero-panel{padding:38px 34px;border-radius:24px;background:rgba(255,255,255,.14);-webkit-backdrop-filter:blur(18px) saturate(1.5);backdrop-filter:blur(18px) saturate(1.5);border:1px solid rgba(255,255,255,.32);box-shadow:0 18px 50px rgba(0,20,30,.35)}
.hero h1{color:#fff;margin:0 0 .35em;font-size:clamp(2.1rem,5.5vw,3.4rem);text-shadow:0 2px 18px rgba(0,20,30,.45)}
.hero .sub{font-size:clamp(1rem,2.4vw,1.25rem);color:#eafcf8;margin:0 0 1.4em}
.btn{display:inline-block;background:linear-gradient(135deg,var(--aqua),#1fa8b5);color:#04222b!important;font-weight:800;padding:13px 30px;border-radius:999px;box-shadow:0 8px 22px rgba(45,212,191,.45)}
.btn:hover{text-decoration:none;transform:translateY(-2px);box-shadow:0 12px 28px rgba(45,212,191,.55)}

/* ---------- Ad slots ---------- */
.ad-slot{min-height:90px;margin:26px auto;max-width:728px;display:flex;align-items:center;justify-content:center;border:1px dashed rgba(14,124,134,.35);border-radius:12px;background:rgba(255,255,255,.35);color:var(--muted);font-size:.75rem;letter-spacing:.08em;text-transform:uppercase}
.ad-slot::after{content:"Advertisement"}

/* ---------- Sections ---------- */
.section{padding:56px 0}
.section-title{text-align:center;margin-bottom:8px}
.section-sub{text-align:center;color:var(--muted);max-width:640px;margin:0 auto 34px}

/* Category cards */
.cat-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(240px,1fr));gap:18px}
.cat-card{padding:26px 22px;display:block;color:var(--ink);transition:transform .18s ease,box-shadow .18s ease}
.cat-card:hover{transform:translateY(-4px);text-decoration:none;box-shadow:0 16px 38px rgba(4,40,58,.2)}
.cat-card .emoji{font-size:2rem;display:block;margin-bottom:10px}
.cat-card h3{margin:0 0 6px;font-size:1.08rem}
.cat-card p{margin:0;color:var(--muted);font-size:.9rem;line-height:1.55}

/* Fish band */
.fish-band{position:relative;padding:74px 0;color:#fff;text-align:center;background:#06283a url("assets/img/tropical-fish-school-planted-aquarium.jpg") center/cover no-repeat}
.fish-band::after{content:"";position:absolute;inset:0;background:linear-gradient(90deg,rgba(4,32,46,.72),rgba(4,32,46,.35),rgba(4,32,46,.72))}
.fish-band .wrap{position:relative;z-index:2}
.fish-band h2{color:#fff;margin:0 0 .4em}
.fish-band p{color:#d8f4ef;max-width:620px;margin:0 auto}

/* Post cards */
.post-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(300px,1fr));gap:22px}
.post-card{overflow:hidden;display:flex;flex-direction:column;transition:transform .18s ease}
.post-card:hover{transform:translateY(-4px)}
.post-card a.card-link{color:inherit;display:flex;flex-direction:column;height:100%}
.post-card a.card-link:hover{text-decoration:none}
.post-card .thumb{aspect-ratio:8/5;overflow:hidden;background:#0a3a52}
.post-card .thumb img{width:100%;height:100%;object-fit:cover;transition:transform .3s ease}
.post-card:hover .thumb img{transform:scale(1.05)}
.post-card .body{padding:20px 22px;display:flex;flex-direction:column;gap:8px;flex:1}
.post-card .kicker{font-size:.72rem;font-weight:700;letter-spacing:.12em;text-transform:uppercase;color:var(--teal)}
.post-card h3{margin:0;font-size:1.12rem;line-height:1.4}
.post-card p{margin:0;color:var(--muted);font-size:.92rem;flex:1}
.post-card .meta{font-size:.78rem;color:var(--muted)}

/* Bottom flora strip */
.flora-strip{position:relative;min-height:300px;display:flex;align-items:flex-end;background:#06283a url("assets/img/aquatic-plants-flowers-aquarium-bottom.jpg") center/cover no-repeat}
.flora-strip::after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,rgba(4,32,46,0) 30%,rgba(4,32,46,.75) 100%)}
.flora-strip .wrap{position:relative;z-index:2;padding-bottom:34px;text-align:center}
.flora-strip h2{color:#fff;margin:0 0 .3em}
.flora-strip p{color:#d8f4ef;margin:0}

/* Page / category headers */
.page-hero{position:relative;padding:64px 0;color:#fff;background:#06283a url("assets/img/lush-aquascaped-planted-aquarium-tank.jpg") center/cover no-repeat}
.page-hero::after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,rgba(4,32,46,.68),rgba(4,32,46,.45))}
.page-hero .wrap{position:relative;z-index:2}
.page-hero h1{color:#fff;margin:0 0 .3em}
.page-hero .lede{color:#d8f4ef;max-width:680px;margin:0;font-size:1.05rem}

/* ---------- Breadcrumbs ---------- */
.breadcrumbs{font-size:.82rem;padding:14px 0;color:var(--muted)}
.breadcrumbs ol{list-style:none;margin:0;padding:0;display:flex;flex-wrap:wrap;gap:6px}
.breadcrumbs li+li::before{content:"›";margin-right:6px;color:#9db8bf}

/* ---------- Article ---------- */
.article-layout{display:grid;grid-template-columns:1fr;gap:28px}
.article{padding:34px clamp(20px,4vw,46px);margin-bottom:30px}
.article .entry-meta{display:flex;flex-wrap:wrap;gap:12px;color:var(--muted);font-size:.85rem;margin:10px 0 18px}
.article .featured{margin:0 -6px 26px;border-radius:14px;overflow:hidden}
.article h2{border-bottom:2px solid var(--aqua-soft);padding-bottom:8px}
.article table{border-collapse:collapse;width:100%;margin:0 0 1.2em;font-size:.95rem}
.article th,.article td{border:1px solid #cfe3e8;padding:10px 12px;text-align:left}
.article th{background:rgba(45,212,191,.14)}
.related{padding:26px}
.related h2{margin-top:0}
.related ul{margin:0;padding-left:1.2em}

/* FAQ styling */
.article h2.faq-heading{margin-top:2em}

/* ---------- Footer ---------- */
.site-footer{background:#04222f;color:#cfe6e3;margin-top:40px}
.footer-inner{max-width:var(--maxw);margin:0 auto;padding:44px 20px 26px;display:grid;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:28px}
.site-footer h3{color:#fff;font-size:1rem;margin:0 0 12px}
.site-footer ul{list-style:none;margin:0;padding:0}
.site-footer li{margin:0 0 8px}
.site-footer a{color:#a9d8d1;font-size:.92rem}
.site-footer a:hover{color:#fff}
.footer-bottom{border-top:1px solid rgba(255,255,255,.12);padding:18px 20px;text-align:center;font-size:.82rem;color:#8fb8b1}

/* ---------- Search ---------- */
.search-form{display:flex;gap:8px;max-width:480px;margin:0 auto}
.search-form input[type="search"]{flex:1;padding:12px 16px;border-radius:999px;border:1px solid rgba(255,255,255,.35);background:rgba(255,255,255,.16);color:#fff;font-size:1rem}
.search-form input[type="search"]::placeholder{color:#cfe6e3}
.search-form button{padding:12px 22px;border-radius:999px;border:none;background:var(--aqua);color:#04222b;font-weight:800;cursor:pointer}

/* ---------- 404 ---------- */
.not-found{text-align:center;padding:70px 24px}
.not-found h1{font-size:clamp(3rem,10vw,5.5rem);margin:0}

/* ---------- Responsive ---------- */
@media (max-width:860px){
  .nav-toggle{display:block}
  .primary-nav{display:none;width:100%;order:3}
  .primary-nav.open{display:block}
  .primary-nav ul{flex-direction:column;gap:0;padding:8px 0}
  .primary-nav a{padding:12px 6px;border-top:1px solid rgba(255,255,255,.08);font-size:.95rem}
  .header-inner{flex-wrap:wrap}
  .section{padding:40px 0}
  .article{padding:24px 18px}
}
@media (max-width:420px){
  .hero-panel{padding:28px 20px}
  .cat-grid,.post-grid{grid-template-columns:1fr}
}
@media (prefers-reduced-motion:reduce){
  html{scroll-behavior:auto}
  *{transition:none!important}
}