/* PackageSubstation.com - locked nav + image cards + contact form */
:root{--navy:#16304f;--navy2:#1f3a5f;--blue:#2c6fbb;--orange:#e67e22;--green:#1f8a5f;--red:#c0392b;--ink:#22303f;--muted:#6b7684;--line:#e3e8ef;--bg:#f5f7fa;--card:#fff}
*{box-sizing:border-box}html,body{margin:0;padding:0}body{font-family:-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,"Helvetica Neue",Arial,sans-serif;color:var(--ink);background:var(--bg);line-height:1.6;font-size:15px}
a{color:var(--blue);text-decoration:none}a:hover{text-decoration:underline}
img{max-width:100%}
.container{max-width:1180px;margin:0 auto;padding:0 20px}

/* ===== Locked top navbar ===== */
.navbar{position:sticky;top:0;z-index:1000;background:var(--navy);color:#fff;box-shadow:0 2px 8px rgba(0,0,0,.12)}
.nav-inner{max-width:1180px;margin:0 auto;padding:12px 20px;display:flex;align-items:center;justify-content:space-between;gap:16px}
.brand{display:flex;align-items:center;gap:8px;color:#fff;font-weight:800;font-size:17px;white-space:nowrap}
.brand .bolt{font-size:20px;color:var(--orange)}
.nav-links{display:flex;gap:4px;flex-wrap:wrap;justify-content:flex-end}
.nav-links a{color:rgba(255,255,255,.9);padding:8px 11px;border-radius:6px;font-size:13.5px;font-weight:600;white-space:nowrap}
.nav-links a:hover{background:rgba(255,255,255,.12);text-decoration:none;color:#fff}
.nav-links a.active{background:var(--orange);color:#fff}
.menu-toggle{display:none;background:none;border:0;color:#fff;font-size:24px;cursor:pointer}
@media(max-width:900px){.nav-links a{padding:7px 8px;font-size:12.5px}.brand-text{display:none}.brand .bolt{font-size:22px;margin-right:2px}}
@media(max-width:640px){.menu-toggle{display:block}.nav-links{display:none;position:absolute;top:100%;left:0;right:0;background:var(--navy);flex-direction:column;padding:10px}.nav-links.open{display:flex}.nav-links a{width:100%;padding:11px 16px;border-radius:0}}

/* ===== Hero ===== */
.hero{position:relative;background:linear-gradient(120deg,rgba(13,32,56,.82),rgba(22,48,79,.7)),url("../images/hero-solar.png") center/cover no-repeat,var(--navy);color:#fff;padding:96px 0 88px;min-height:420px;display:flex;align-items:center}
.hero h1{font-size:38px;margin:0 0 14px;line-height:1.2;text-shadow:0 2px 8px rgba(0,0,0,.35)}.hero p{font-size:17px;max-width:760px;opacity:.95;text-shadow:0 1px 4px rgba(0,0,0,.35)}
.hero .cta{margin-top:22px;display:flex;gap:12px;flex-wrap:wrap}
.btn{display:inline-block;padding:11px 18px;border-radius:8px;font-weight:700;font-size:14px;border:0;cursor:pointer;text-align:center}
.btn-primary{background:var(--orange);color:#fff}.btn-primary:hover{background:#cf6a0f}
.btn-lg{padding:14px 30px;font-size:16px}
.btn-ghost{background:rgba(255,255,255,.14);color:#fff;border:1px solid rgba(255,255,255,.4)}.btn-ghost:hover{background:rgba(255,255,255,.24)}
.btn-blue{background:var(--blue);color:#fff}.btn-blue:hover{background:#1f5c9e}

/* ===== Generic ===== */
.section{padding:40px 0}.section h2{font-size:24px;color:var(--navy);margin:0 0 8px}
.section .lead{color:var(--muted);margin:0 0 22px}
.grid{display:grid;gap:18px}.grid-3{grid-template-columns:repeat(3,1fr)}.grid-2{grid-template-columns:repeat(2,1fr)}
@media(max-width:860px){.grid-3{grid-template-columns:repeat(2,1fr)}.grid-2{grid-template-columns:1fr}}
@media(max-width:560px){.grid-3,.grid-2{grid-template-columns:1fr}}

.card{background:var(--card);border:1px solid var(--line);border-radius:12px;overflow:hidden;display:flex;flex-direction:column;transition:.2s}
.card:hover{box-shadow:0 6px 20px rgba(31,58,95,.1);transform:translateY(-2px)}
.card .img-slot{aspect-ratio:16/9;background:linear-gradient(135deg,#16304f,#2c5282);display:flex;align-items:center;justify-content:center;color:rgba(255,255,255,.75);font-size:13px;text-align:center;padding:10px;position:relative;overflow:hidden}
.card .img-slot.hasimg{background-size:cover;background-position:center}
.card .img-slot .ph-icon{font-size:26px;opacity:.8}
.card .body{padding:14px 16px;flex:1;display:flex;flex-direction:column}
.card h3{font-size:16px;margin:0 0 6px;color:var(--navy)}
.card p{font-size:13.5px;color:var(--muted);margin:0 0 10px;flex:1}
.card .tag{display:inline-block;background:#eef3f9;color:var(--navy2);font-size:11.5px;padding:3px 9px;border-radius:20px;margin-top:auto;align-self:flex-start}

/* entry cards (icon + text, no image) */
.card-entry{flex-direction:row;align-items:flex-start;gap:14px;padding:16px}
.card-entry .entry-ico{width:44px;height:44px;border-radius:10px;background:linear-gradient(135deg,var(--navy),var(--navy2));color:#fff;display:flex;align-items:center;justify-content:center;font-size:20px;flex-shrink:0}
.card-entry .body{padding:0;flex:1}
.card-entry h3{font-size:15px;margin:0 0 4px}
.card-entry p{font-size:13px;margin:0}
.card-entry .tag{margin-top:6px}

/* ===== Image slot (detail pages) ===== */
.img-slot{aspect-ratio:16/9;background:linear-gradient(135deg,#16304f,#2c5282);border-radius:12px;display:flex;align-items:center;justify-content:center;color:rgba(255,255,255,.78);font-size:14px;text-align:center;padding:18px;margin:16px 0 22px;position:relative;overflow:hidden}
.img-slot.hasimg{background-size:cover;background-position:center}
.img-slot.hasimg .img-slot-inner{display:none}
.img-slot-inner{max-width:420px}.img-slot-inner .ph-icon{font-size:32px;opacity:.85}
.img-slot .img-tip{position:absolute;bottom:8px;left:0;right:0;font-size:11px;color:rgba(255,255,255,.5);text-align:center;pointer-events:none}

/* ===== Tables ===== */
table.data{width:100%;border-collapse:collapse;font-size:13.5px;margin:14px 0}
table.data th,table.data td{border:1px solid var(--line);padding:8px 10px;text-align:left;vertical-align:top}
table.data th{background:var(--navy);color:#fff;font-weight:700}
table.data tr:nth-child(even) td{background:#f7f9fc}
.table-wrap{max-width:100%;overflow-x:auto}

/* ===== Suppliers ===== */
.supplier-scroll{max-height:340px;overflow:hidden;position:relative;border:1px solid var(--line);border-radius:12px;padding:12px;background:#fff}
.supplier-scroll:hover .supplier-track{animation-play-state:paused}
.supplier-track{display:flex;flex-direction:column;gap:10px;animation:supScroll 46s linear infinite}
@keyframes supScroll{from{transform:translateY(0)}to{transform:translateY(-50%)}}
.supplier-featured{border:1px solid #f0c89a;border-radius:12px;padding:10px 12px;margin-bottom:10px;background:#fff8ef;display:flex;flex-direction:column;gap:10px}
.featured-entry{border:1px solid #f0c89a;border-radius:14px;padding:18px 20px;margin-top:26px;background:#fff8ef}
.featured-entry h2{margin-top:0;color:#cf6a0f}
.featured-entry .ad-row,.featured-entry .row{margin-bottom:12px}
.supplier-featured .sup-card{border-color:#f0c89a;background:#fff}
.sup-card{border:1px solid var(--line);border-radius:9px;padding:11px 13px;background:#fbfcfd;display:flex;flex-direction:column;gap:6px}
.sup-card .sup-head{display:flex;justify-content:space-between;gap:8px;align-items:center}
.sup-card .sup-name{font-weight:700;color:var(--navy);font-size:14px}
.sup-card .sup-cat{font-size:11px;background:#eef3f9;color:var(--navy2);padding:2px 8px;border-radius:20px}
.sup-card .sup-meta{font-size:12px;color:var(--muted)}
.sup-card .sup-actions{display:flex;gap:8px;flex-wrap:wrap;margin-top:4px}
.sup-card .btn-check{background:#eef3f9;color:var(--navy2);font-size:12px;padding:6px 11px;border-radius:6px;font-weight:600;border:1px solid var(--line)}
.sup-card .btn-wa{background:#25d366;color:#fff;font-size:12px;padding:6px 11px;border-radius:6px;font-weight:600}
@media(max-width:600px){.supplier-scroll{max-height:280px}.sup-card .sup-head{flex-direction:column;align-items:flex-start}}

/* ===== Callouts ===== */
.callout{border-left:4px solid var(--orange);background:#fff8f1;padding:12px 16px;border-radius:0 8px 8px 0;font-size:13.5px;margin:14px 0}
.callout-blue{border-left-color:var(--blue);background:#eef5fd}
.callout-green{border-left-color:var(--green);background:#eef8f3}
.callout .tag{font-weight:800;color:var(--orange);margin-right:6px}

/* ===== Forms (contact / submit) ===== */
.form{background:#fff;border:1px solid var(--line);border-radius:12px;padding:22px;max-width:1140px}
.form .row{display:grid;grid-template-columns:1fr 1fr;gap:14px}
.form label{display:block;font-weight:700;font-size:13px;margin:12px 0 5px;color:var(--navy)}
.form input,.form select,.form textarea{width:100%;padding:10px 12px;border:1px solid var(--line);border-radius:8px;font-size:14px;font-family:inherit;background:#fff;color:var(--ink)}
.form input:focus,.form select:focus,.form textarea:focus{outline:none;border-color:var(--blue);box-shadow:0 0 0 3px rgba(44,111,187,.15)}
.form textarea{min-height:120px;resize:vertical}
.form .hint{font-size:12px;color:var(--muted);margin-top:4px}
.form .submit{margin-top:18px}
.form .form-actions{display:flex;align-items:center;flex-wrap:wrap;gap:12px;margin-top:18px}
.form .form-msg{font-size:13px;font-weight:600;color:var(--red)}
.btn-secondary{background:#fff;color:var(--navy2);border:1px solid var(--navy2)}.btn-secondary:hover{background:#eef3f9}
.btn:disabled{opacity:.55;cursor:not-allowed}

/* ===== Pricing page ===== */
.plan-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px;margin:22px 0}
.plan{background:#fff;border:1px solid var(--line);border-radius:14px;padding:22px;display:flex;flex-direction:column}
.plan.popular{border:2px solid var(--orange);box-shadow:0 6px 18px rgba(207,106,15,.12)}
.plan-tag{font-size:12px;font-weight:700;text-transform:uppercase;letter-spacing:.5px;color:var(--muted)}
.plan-name{font-size:22px;font-weight:800;color:var(--navy);margin:4px 0 2px}
.plan-price{font-size:30px;font-weight:800;color:var(--orange);margin:8px 0 2px}
.plan-bill{font-size:12.5px;color:var(--muted)}
.plan-desc{font-size:13.5px;color:var(--ink);margin:10px 0}
.plan ul{list-style:none;margin:10px 0 16px;padding:0;font-size:13.5px}
.plan li{padding:5px 0 5px 22px;position:relative;color:var(--ink)}
.plan li:before{content:"\2713";position:absolute;left:0;color:#1a7f37;font-weight:800}
.plan .btn{margin-top:auto}
.plan-btn .soon{display:block;font-size:11px;font-weight:600;opacity:.85;margin-top:2px}
.feat-list{list-style:none;margin:12px 0;padding:0;font-size:14px}
.feat-list li{padding:7px 0 7px 24px;position:relative;color:var(--ink)}
.feat-list li:before{content:"\2713";position:absolute;left:0;color:#1a7f37;font-weight:800}
.faq p{font-size:13.5px;margin:8px 0;color:var(--ink)}
@media(max-width:820px){.plan-grid{grid-template-columns:1fr}}
@media(max-width:640px){.form .row{grid-template-columns:1fr}}

/* ===== Disclaimer block ===== */
.disclaimer{border:2px solid var(--orange);background:#fffaf3;padding:16px 20px;border-radius:10px;margin:18px 0}
.disclaimer h3{color:var(--orange);margin:0 0 8px;font-size:17px}
.disclaimer p{font-size:13.5px;margin:6px 0}

/* ===== Tabs (model list) ===== */
.model-list{display:flex;flex-wrap:wrap;gap:8px;margin:10px 0}
.model-list .chip{background:#eef3f9;color:var(--navy2);font-size:12.5px;padding:5px 12px;border-radius:20px;font-weight:600;border:1px solid var(--line)}

/* ===== Footer ===== */
.footer{background:var(--navy);color:#dbe4ef;padding:34px 0 22px;margin-top:30px;font-size:13px}
.footer-inner{max-width:1180px;margin:0 auto;padding:0 20px;display:grid;grid-template-columns:2fr 1fr 1fr;gap:24px}
.footer h4{color:#fff;margin:0 0 10px;font-size:15px}
.footer a{color:#bcd2ea}
.footer .copy{font-size:12px;color:#97a8bd;margin-top:18px;grid-column:1/-1;border-top:1px solid rgba(255,255,255,.1);padding-top:14px}
@media(max-width:760px){.footer-inner{grid-template-columns:1fr}}

/* page head */
.page-head{background:var(--navy);color:#fff;height:210px;display:flex;align-items:center;padding:0;margin-bottom:14px}.page-head .container{width:100%;display:flex;flex-direction:column;justify-content:center;height:100%;padding:0 20px}.page-head h1{font-size:28px;margin:0 0 6px;line-height:1.15}.page-head .breadcrumb{margin-bottom:8px}.page-head p{margin:0;max-width:900px}
@media(max-width:900px){.page-head{height:190px}.page-head h1{font-size:24px}}
@media(max-width:640px){.page-head{height:170px}.page-head .container{padding:0 14px}.page-head h1{font-size:20px;margin-bottom:4px}}
.breadcrumb{font-size:13px;opacity:.85;margin-bottom:6px}
.breadcrumb a{color:#bcd2ea}.breadcrumb a:hover{color:#fff}
.content{padding:34px 0}
.content h2{color:var(--navy);font-size:22px;margin:26px 0 10px;border-left:4px solid var(--orange);padding-left:10px}
.content h3{color:var(--navy2);font-size:17px;margin:18px 0 8px}
.muted{color:var(--muted);font-size:13px}
ul{margin:8px 0 8px 20px}li{margin:4px 0}
.sr-only{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0)}