/*
Theme Name: AERON Drone
Theme URI: https://52hlf.com
Description: DJI-style drone brand theme — full-screen hero carousel, multilingual-ready, fast.
Version: 1.1
Author: WorkBuddy
License: GPLv2 or later
Text Domain: aeron
*/

:root{
  --blue:#0a6cff;
  --blue-d:#0058d6;
  --ink:#1d1d1f;
  --muted:#6e6e73;
  --line:#e8e8ed;
  --soft:#f5f5f7;
  --maxw:1280px;
  --font:-apple-system,BlinkMacSystemFont,"Segoe UI","Helvetica Neue",Arial,"PingFang SC","Microsoft YaHei",sans-serif;
}
*{box-sizing:border-box;margin:0;padding:0}
body{font-family:var(--font);color:var(--ink);background:#fff;line-height:1.55;-webkit-font-smoothing:antialiased}
a{color:inherit;text-decoration:none}
img{max-width:100%;display:block}
.container{max-width:var(--maxw);margin:0 auto;padding:0 24px}
section[id],#contact{scroll-margin-top:84px}

/* ============ HEADER ============ */
.site-header{position:sticky;top:0;z-index:60;background:#fff;color:var(--ink);transition:background .3s,color .3s,box-shadow .3s}
.nav-inner{max-width:var(--maxw);margin:0 auto;display:flex;align-items:center;justify-content:space-between;height:60px;padding:0 24px}
.brand{font-weight:800;font-size:22px;letter-spacing:.5px}
.brand .dot{color:var(--blue)}
.main-nav{display:flex;gap:30px;font-size:14px;font-weight:500}
.main-nav a:hover{color:var(--blue)}
.nav-actions{display:flex;align-items:center;gap:14px}
.nav-ico{background:none;border:none;color:inherit;cursor:pointer;display:flex;padding:4px}
.nav-region{background:none;border:none;color:inherit;font-size:13px;font-weight:600;cursor:pointer}
.btn-store{background:var(--blue);color:#fff;padding:8px 20px;border-radius:999px;font-size:14px;font-weight:600}
.btn-store:hover{background:var(--blue-d)}

/* top announcement bar */
.topbar{background:var(--soft);font-size:13px;transition:opacity .3s}
.topbar-inner{max-width:var(--maxw);margin:0 auto;display:flex;align-items:center;justify-content:center;gap:16px;padding:9px 24px;position:relative}
.topbar a{color:var(--blue);font-weight:600}
.topbar-close{position:absolute;right:18px;background:none;border:none;font-size:18px;cursor:pointer;color:var(--muted)}

/* over-hero (front page): header floats over the dark hero */
.site-header.over-hero{position:fixed;top:0;left:0;right:0;background:transparent;color:#fff}
.site-header.over-hero .topbar{background:transparent;color:rgba(255,255,255,.92)}
.site-header.over-hero .topbar a{color:#fff;text-decoration:underline}
.site-header.over-hero .nav-ico,.site-header.over-hero .nav-region{color:#fff}
.site-header.over-hero .brand{color:#fff}
.site-header.over-hero .main-nav a{color:#fff}
.site-header.over-hero .main-nav a:hover{opacity:.7}

/* scrolled: solid white bar */
.site-header.scrolled{background:#fff;color:var(--ink);box-shadow:0 1px 0 rgba(0,0,0,.07)}
.site-header.scrolled .topbar{display:none}
.site-header.scrolled .brand,.site-header.scrolled .main-nav a,.site-header.scrolled .nav-ico,.site-header.scrolled .nav-region{color:var(--ink)}
.site-header.scrolled .main-nav a:hover{color:var(--blue)}

/* ============ HERO CAROUSEL ============ */
.hero{position:relative;height:100vh;min-height:620px;overflow:hidden;background:#0a0a0c}
.hero-track{position:absolute;inset:0}
.slide{position:absolute;inset:0;background-size:cover;background-position:center;opacity:0;transition:opacity .9s ease;display:flex;align-items:center;justify-content:center}
.slide.is-active{opacity:1}
.slide::after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,rgba(0,0,0,.45) 0%,rgba(0,0,0,.12) 38%,rgba(0,0,0,.6) 100%)}
.slide-inner{position:relative;z-index:2;text-align:center;color:#fff;max-width:780px;padding:0 24px}
.hero-eyebrow{color:#fff;opacity:.85;font-weight:600;font-size:14px;letter-spacing:3px;text-transform:uppercase;margin-bottom:14px}
.hero-title{font-size:66px;font-weight:800;letter-spacing:1px;line-height:1.02}
.hero-tag{font-size:19px;margin:18px auto 30px;max-width:540px;opacity:.92}
.hero-cta{display:flex;gap:16px;justify-content:center;flex-wrap:wrap}
.hbtn{display:inline-block;padding:12px 30px;border-radius:999px;font-size:15px;font-weight:600;cursor:pointer;border:1px solid transparent;transition:.2s}
.hbtn-ghost{background:transparent;color:#fff;border-color:rgba(255,255,255,.7)}
.hbtn-ghost:hover{background:rgba(255,255,255,.14)}
.hbtn-solid{background:#fff;color:#111}
.hbtn-solid:hover{background:#e9e9ec}
.hbtn-wa{background:#25d366;color:#fff}
.hbtn-wa:hover{background:#1ebe5b}
.hbtn-ghost-light{background:transparent;color:#fff;border-color:rgba(255,255,255,.7)}
.hbtn-ghost-light:hover{background:rgba(255,255,255,.14)}
.hero-dots{position:absolute;left:34px;bottom:46px;z-index:5;list-style:none;margin:0;padding:0}
.hero-dots .dot{color:rgba(255,255,255,.6);font-size:14px;font-weight:500;padding:9px 0 9px 16px;position:relative;cursor:pointer;letter-spacing:.5px}
.hero-dots .dot::before{content:"";position:absolute;left:0;top:50%;transform:translateY(-50%);width:2px;height:0;background:#fff;transition:.3s}
.hero-dots .dot.is-active{color:#fff}
.hero-dots .dot.is-active::before{height:24px}
.hero-arrow{position:absolute;top:50%;transform:translateY(-50%);z-index:5;width:46px;height:46px;border-radius:50%;border:none;background:rgba(255,255,255,.12);color:#fff;font-size:26px;cursor:pointer;display:flex;align-items:center;justify-content:center;transition:.2s}
.hero-arrow:hover{background:rgba(255,255,255,.28)}
.hero-prev{left:20px}
.hero-next{right:20px}

/* ============ CATEGORY TILES ============ */
.cat-tiles{display:grid;grid-template-columns:repeat(4,1fr)}
.cat-tile{position:relative;height:300px;background-size:cover;background-position:center;display:flex;align-items:flex-end;overflow:hidden}
.cat-tile::after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,rgba(0,0,0,0) 28%,rgba(0,0,0,.68) 100%)}
.cat-tile-body{position:relative;z-index:2;color:#fff;padding:24px}
.cat-tile-body h3{font-size:22px;font-weight:700}
.cat-tile-body p{font-size:13px;opacity:.85;margin-top:4px}
.cat-arrow{display:inline-block;margin-top:10px;font-size:13px;font-weight:600}
.cat-tile:hover .cat-tile-body{transform:translateY(-3px);transition:.2s}

/* ============ SECTIONS ============ */
.section{max-width:var(--maxw);margin:0 auto;padding:84px 24px}
.section-head{text-align:center;margin-bottom:44px}
.section-title{font-size:40px;font-weight:800;letter-spacing:-.5px}
.section-lead{color:var(--muted);font-size:18px;margin-top:10px}

/* Buttons */
.btn{display:inline-block;padding:10px 22px;border-radius:999px;font-size:14px;font-weight:600;cursor:pointer;border:1px solid transparent;transition:.2s}
.btn-solid{background:var(--ink);color:#fff}
.btn-solid:hover{background:#000}
.btn-ghost{background:transparent;color:var(--ink);border-color:var(--line)}
.btn-ghost:hover{border-color:var(--ink)}

/* Product grid */
.product-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:22px}
.card{background:var(--soft);border-radius:18px;padding:18px;transition:.2s}
.card:hover{transform:translateY(-4px);box-shadow:0 14px 34px rgba(0,0,0,.08)}
.card-media{display:block;aspect-ratio:1/1;background-size:cover;background-position:center;border-radius:12px;margin-bottom:16px;background-color:#e9edf2}
.card h3{font-size:17px;font-weight:700}
.card-meta{color:var(--muted);font-size:13px;margin:6px 0 14px}
.card-actions{display:flex;gap:8px}
.card-actions .btn{flex:1;text-align:center;padding:9px 8px;font-size:13px}

/* Feature full-width */
.feature{position:relative;background-size:cover;background-position:center;min-height:520px;display:flex;align-items:center}
.feature::after{content:"";position:absolute;inset:0;background:rgba(0,0,0,.5)}
.feature-overlay{position:relative;z-index:2;max-width:var(--maxw);margin:0 auto;width:100%;padding:60px 24px}
.feature-text{color:#fff;max-width:520px}
.feature-text h2{font-size:38px;font-weight:800}
.feature-text p{font-size:17px;margin:16px 0 20px;opacity:.92}
.feature-list{list-style:none;margin:0 0 24px}
.feature-list li{padding:8px 0 8px 26px;position:relative;font-size:15px}
.feature-list li::before{content:"✓";position:absolute;left:0;color:#5aa9ff;font-weight:700}

/* Solutions */
.scenario-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:20px}
.scenario{position:relative;height:300px;border-radius:18px;overflow:hidden;background-size:cover;background-position:center;display:flex;align-items:flex-end}
.scenario::after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,rgba(0,0,0,0) 35%,rgba(0,0,0,.62) 100%)}
.sc-body{position:relative;z-index:2;color:#fff;padding:22px}
.sc-body h3{font-size:18px;font-weight:700}
.sc-body p{font-size:13px;opacity:.85;margin-top:4px}

/* Tech strip */
.tech-strip{max-width:var(--maxw);margin:0 auto;display:grid;grid-template-columns:repeat(4,1fr);gap:20px;padding:56px 24px;background:var(--soft);border-radius:18px}
.tech-item{text-align:center}
.tech-item strong{display:block;font-size:42px;font-weight:800}
.tech-item span{color:var(--muted);font-size:14px}

/* CTA / contact */
.cta-banner{max-width:var(--maxw);margin:80px auto;background:linear-gradient(135deg,#101015,#23232c);color:#fff;border-radius:24px;padding:64px 50px;text-align:center}
.cta-banner h2{font-size:34px;font-weight:800}
.cta-banner p{color:#c9c9d1;font-size:17px;margin:14px auto 28px;max-width:560px}
.cta-actions{display:flex;gap:14px;justify-content:center;flex-wrap:wrap}
.quote-wrap{max-width:560px;margin:40px auto 0}
.quote-form{display:grid;grid-template-columns:1fr 1fr;gap:12px;text-align:left}
.quote-form input,.quote-form select,.quote-form textarea{width:100%;padding:12px 14px;border-radius:10px;border:1px solid rgba(255,255,255,.2);background:rgba(255,255,255,.06);color:#fff;font-size:14px;font-family:inherit}
.quote-form textarea{grid-column:1/-1;min-height:90px;resize:vertical}
.quote-form .btn{grid-column:1/-1}
.form-note{grid-column:1/-1;font-size:13px;color:#c9c9d1;text-align:center}
.form-note a{color:#5aa9ff;font-weight:600}
.form-success{background:rgba(46,204,113,.15);border:1px solid rgba(46,204,113,.4);color:#9bf2c0;padding:14px;border-radius:10px;margin:0 auto 24px;max-width:560px;text-align:center}

/* Footer */
.site-footer{max-width:var(--maxw);margin:0 auto;padding:60px 24px 40px;border-top:1px solid var(--line)}
.foot-cols{display:grid;grid-template-columns:repeat(4,1fr);gap:30px}
.foot-cols h4{font-size:14px;margin-bottom:14px}
.foot-cols a{display:block;color:var(--muted);font-size:14px;padding:5px 0}
.foot-cols a:hover{color:var(--ink)}
.foot-note{color:var(--muted);font-size:13px;margin-top:40px}

/* Inner page */
.page-hero{padding:90px 0 40px;text-align:center}
.page-hero h1{font-size:46px;font-weight:800;letter-spacing:-1px}
.page-hero p{color:var(--muted);font-size:18px;margin-top:14px}

/* ============ RESPONSIVE ============ */
@media(max-width:900px){
  .hero-title{font-size:40px}
  .cat-tiles{grid-template-columns:repeat(2,1fr)}
  .product-grid,.scenario-grid{grid-template-columns:repeat(2,1fr)}
  .tech-strip{grid-template-columns:repeat(2,1fr)}
  .main-nav{display:none}
  .hero-dots{display:none}
  .section{padding:56px 20px}
}
@media(max-width:560px){
  .cat-tiles,.product-grid,.scenario-grid,.tech-strip{grid-template-columns:1fr}
  .hero-title{font-size:32px}
  .hero{min-height:560px}
}