/*
Theme Name: The Velud Journal — Tech & Robotics
Theme URI: https://example.com
Author: Angelina
Author URI: https://example.com
Description: Metallic gray & white tech/robotics news theme with a rotating breaking-news ticker, a live clock, a subtle animated background (drifting gears, a keyboard, minimalist robots), dark/light mode, and About/Contacts page templates with a working AJAX-free contact form.
Version: 1.0.0
Requires at least: 6.0
Requires PHP: 7.4
License: GNU General Public License v2 or later
License URI: LICENSE
Text Domain: velud-journal
*/

/* ==========================================================================
   0. Fonts & variables
   ========================================================================== */
@import url('https://fonts.googleapis.com/css2?family=Space+Grotesk:wght@500;600;700&family=Inter:wght@400;500;600;700&display=swap');

:root{
	--c-bg:#f3f4f6;
	--c-paper:#ffffff;
	--c-paper-soft:#f7f8fa;
	--c-line:#e2e4ea;
	--c-ink:#1c1f26;
	--c-ink-soft:#5b606c;
	--c-metal-900:#2b2f38;
	--c-metal-700:#4b515c;
	--c-metal-500:#7b8190;
	--c-metal-300:#aab0bd;
	--c-metal-200:#ced3dc;
	--c-silver-grad:linear-gradient(135deg,#c8ccd6 0%,#8f95a3 28%,#e9ebf0 52%,#6d7280 76%,#c8ccd6 100%);
	--c-accent:#5b6472;
	--c-danger:#b3261e;
	--c-success:#136a3c;
	--radius:10px;
	--maxw:1240px;
	--font-head:'Space Grotesk', 'Inter', sans-serif;
	--font-body:'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
}

html.dark-mode{
	--c-bg:#0f1115;
	--c-paper:#171a20;
	--c-paper-soft:#1c1f26;
	--c-line:#2b2f38;
	--c-ink:#e7e9ee;
	--c-ink-soft:#a7acb9;
	--c-metal-900:#e7e9ee;
	--c-metal-700:#c8ccd6;
	--c-accent:#c8ccd6;
}

/* ==========================================================================
   1. Reset & base
   ========================================================================== */
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;}
body{
	margin:0;
	font-family:var(--font-body);
	color:var(--c-ink);
	background:var(--c-bg);
	line-height:1.55;
	font-size:16px;
	position:relative;
	transition:background-color .25s ease,color .25s ease;
}
img{max-width:100%;height:auto;display:block;}
a{color:inherit;text-decoration:none;}
ul{list-style:none;margin:0;padding:0;}
button{font-family:inherit;cursor:pointer;}
input,textarea{font-family:inherit;font-size:15px;}
h1,h2,h3,h4{font-family:var(--font-head);font-weight:700;line-height:1.2;margin:0 0 .5em;color:var(--c-ink);}
p{margin:0 0 1em;}
.container{max-width:var(--maxw);margin:0 auto;padding:0 24px;position:relative;z-index:1;}
.screen-reader-text{position:absolute;left:-9999px;}

/* ==========================================================================
   2. Animated background decor (gears / keyboard / robots — barely drifting)
   ========================================================================== */
.bg-decor{
	position:fixed;
	inset:0;
	overflow:hidden;
	pointer-events:none;
	z-index:0;
}
.bg-decor svg{
	position:absolute;
	fill:none;
	stroke:var(--c-metal-300);
	opacity:.16;
}
html.dark-mode .bg-decor svg{ opacity:.10; stroke:var(--c-metal-500); }

.bg-decor .d1{ top:6%;  left:4%;  width:140px; animation:floatA 46s ease-in-out infinite; }
.bg-decor .d2{ top:64%; left:10%; width:90px;  animation:floatB 58s ease-in-out infinite; }
.bg-decor .d3{ top:14%; right:7%; width:170px; animation:floatC 62s ease-in-out infinite; }
.bg-decor .d4{ top:72%; right:12%;width:110px; animation:floatA 52s ease-in-out infinite reverse; }
.bg-decor .d5{ top:40%; left:46%; width:120px; animation:floatB 70s ease-in-out infinite; }
.bg-decor .d6{ top:85%; left:38%; width:80px;  animation:floatC 40s ease-in-out infinite; }
.bg-decor .d7{ top:26%; left:22%; width:60px;  animation:floatA 34s ease-in-out infinite; }
.bg-decor .d8{ top:8%;  left:60%; width:70px;  animation:floatB 48s ease-in-out infinite reverse; }

@keyframes floatA{
	0%{transform:translate(0,0) rotate(0deg);}
	50%{transform:translate(18px,-22px) rotate(12deg);}
	100%{transform:translate(0,0) rotate(0deg);}
}
@keyframes floatB{
	0%{transform:translate(0,0) rotate(0deg);}
	50%{transform:translate(-16px,20px) rotate(-10deg);}
	100%{transform:translate(0,0) rotate(0deg);}
}
@keyframes floatC{
	0%{transform:translate(0,0) rotate(0deg) scale(1);}
	50%{transform:translate(14px,16px) rotate(8deg) scale(1.04);}
	100%{transform:translate(0,0) rotate(0deg) scale(1);}
}
@media (prefers-reduced-motion:reduce){
	.bg-decor svg{ animation:none !important; }
}
@media (max-width:780px){
	.bg-decor .d5,.bg-decor .d8{ display:none; }
}

/* ==========================================================================
   3. Top utility ticker (date/time + rotating headline)
   ========================================================================== */
.util-bar{background:linear-gradient(90deg,var(--c-metal-900),var(--c-metal-700));color:#fff;}
.util-inner{display:flex;align-items:center;justify-content:space-between;gap:16px;padding:9px 24px;max-width:var(--maxw);margin:0 auto;font-size:13px;}
.util-clock{white-space:nowrap;opacity:.9;font-variant-numeric:tabular-nums;}
.util-ticker{flex:1;display:flex;justify-content:flex-end;align-items:center;gap:14px;min-width:0;}
.util-track{position:relative;height:18px;overflow:hidden;max-width:520px;flex:1;text-align:right;}
.util-item{position:absolute;inset:0;opacity:0;transform:translateY(6px);transition:opacity .35s ease,transform .35s ease;white-space:nowrap;overflow:hidden;text-overflow:ellipsis;text-align:right;}
.util-item.is-active{opacity:1;transform:translateY(0);}
.util-item a{color:#fff;}
.util-item a:hover{color:var(--c-metal-200);}
.util-controls{display:flex;gap:4px;flex:0 0 auto;}
.util-controls button{width:22px;height:22px;border-radius:4px;border:1px solid rgba(255,255,255,.25);background:rgba(255,255,255,.08);color:#fff;font-size:11px;display:flex;align-items:center;justify-content:center;}
.util-controls button:hover{background:rgba(255,255,255,.2);}

/* ==========================================================================
   4. Header: socials + centered logo, nav bar
   ========================================================================== */
.site-header{background:var(--c-paper);border-bottom:1px solid var(--c-line);position:relative;z-index:20;}
.brand-row{display:flex;align-items:center;justify-content:center;position:relative;padding:22px 24px;max-width:var(--maxw);margin:0 auto;}
.socials{position:absolute;left:24px;display:flex;gap:14px;}
.socials a{width:30px;height:30px;border-radius:50%;border:1px solid var(--c-line);display:flex;align-items:center;justify-content:center;color:var(--c-ink-soft);transition:.15s;}
.socials a:hover{color:#fff;background:var(--c-metal-700);border-color:var(--c-metal-700);}
.socials svg{width:14px;height:14px;}
.brand{display:flex;align-items:center;gap:14px;}
.brand img.brand-icon{height:52px;width:auto;}
.brand .brand-text{font-family:var(--font-head);font-size:26px;font-weight:700;letter-spacing:-.01em;}
.brand .brand-text .dim{color:var(--c-ink-soft);font-weight:500;}

.nav-row{border-top:1px solid var(--c-line);}
.nav-inner{display:flex;align-items:center;justify-content:center;gap:24px;padding:14px 24px;max-width:var(--maxw);margin:0 auto;position:relative;}
.menu-toggle{position:absolute;left:24px;background:none;border:none;font-size:20px;color:var(--c-ink);display:none;}
.primary-nav ul{display:flex;gap:30px;flex-wrap:wrap;justify-content:center;}
.primary-nav a{font-size:13px;font-weight:700;letter-spacing:.04em;text-transform:uppercase;color:var(--c-ink);padding:4px 0;border-bottom:2px solid transparent;}
.primary-nav a:hover,.primary-nav .current-menu-item a{color:var(--c-metal-700);border-color:var(--c-metal-700);}
.mode-toggle{position:absolute;right:24px;background:none;border:1px solid var(--c-line);border-radius:50%;width:34px;height:34px;display:flex;align-items:center;justify-content:center;color:var(--c-ink);}
.mode-toggle svg{width:16px;height:16px;}
.mode-toggle:hover{border-color:var(--c-metal-500);}

@media (max-width:860px){
	.menu-toggle{display:block;}
	.primary-nav{display:none;width:100%;order:3;}
	.primary-nav.is-open{display:block;}
	.primary-nav ul{flex-direction:column;gap:4px;padding-top:12px;}
	.nav-inner{flex-wrap:wrap;}
	.socials{position:static;order:2;margin-top:12px;}
	.brand-row{flex-direction:column;gap:10px;}
}

/* ==========================================================================
   5. Breadcrumbs
   ========================================================================== */
.breadcrumbs{padding:18px 0;}
.breadcrumbs .crumb-card{background:var(--c-paper);border:1px solid var(--c-line);border-radius:8px;padding:12px 18px;}
.breadcrumbs ul{display:flex;gap:8px;font-size:13px;flex-wrap:wrap;}
.breadcrumbs a{color:var(--c-metal-700);font-weight:600;}
.breadcrumbs li:not(:first-child)::before{content:'\00BB  ';color:var(--c-metal-300);}

/* ==========================================================================
   6. Homepage layout
   ========================================================================== */
.home-hero{padding:36px 0 8px;}
.hero-card{border-radius:14px;overflow:hidden;border:1px solid var(--c-line);background:var(--c-paper);display:flex;align-items:center;min-height:180px;}
.hero-card img{width:100%;height:100%;object-fit:cover;}

.home-grid{display:grid;grid-template-columns:1fr 320px;gap:36px;padding:36px 0 64px;align-items:start;}
@media (max-width:900px){.home-grid{grid-template-columns:1fr;}}

.cat-pill{display:inline-block;background:var(--c-metal-900);color:#fff;font-size:11px;font-weight:800;letter-spacing:.06em;text-transform:uppercase;padding:5px 11px;border-radius:4px;margin-bottom:10px;}
html.dark-mode .cat-pill{background:var(--c-metal-500);color:#0f1115;}

.posts-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:26px;}
@media (max-width:640px){.posts-grid{grid-template-columns:1fr;}}
.post-card{border:1px solid var(--c-line);border-radius:12px;overflow:hidden;background:var(--c-paper);transition:transform .15s ease,box-shadow .15s ease;}
.post-card:hover{transform:translateY(-3px);box-shadow:0 14px 30px rgba(20,22,28,.10);}
.post-card img{aspect-ratio:16/10;object-fit:cover;}
.post-card .pc-body{padding:16px 18px 20px;}
.post-card h3{font-size:17px;margin-bottom:6px;}
.post-card p{color:var(--c-ink-soft);font-size:14px;}
.post-meta{font-size:12px;color:var(--c-ink-soft);text-transform:uppercase;letter-spacing:.04em;margin-bottom:6px;}

.post-card.is-wide{grid-column:1/-1;display:grid;grid-template-columns:1.1fr 1fr;}
.post-card.is-wide img{height:100%;aspect-ratio:auto;}
.post-card.is-wide .pc-body{padding:26px 28px;display:flex;flex-direction:column;justify-content:center;}
.post-card.is-wide h3{font-size:24px;}
@media (max-width:640px){.post-card.is-wide{grid-template-columns:1fr;}}

/* Sidebar */
.sidebar-card{background:var(--c-paper);border:1px solid var(--c-line);border-radius:10px;padding:22px;margin-bottom:24px;}
.sidebar-card h3{font-size:15px;text-transform:uppercase;letter-spacing:.04em;border-bottom:2px solid var(--c-metal-900);padding-bottom:12px;margin-bottom:14px;}
html.dark-mode .sidebar-card h3{border-color:var(--c-metal-500);}
.sidebar-post{display:grid;grid-template-columns:60px 1fr;gap:12px;align-items:center;padding:10px 0;border-bottom:1px solid var(--c-line);}
.sidebar-post:last-child{border-bottom:none;}
.sidebar-post img{aspect-ratio:1/1;object-fit:cover;border-radius:6px;}
.sidebar-post h4{font-size:13.5px;font-weight:600;margin:0;line-height:1.3;font-family:var(--font-body);}
.sidebar-post a{color:var(--c-ink);}
.sidebar-post a:hover{color:var(--c-metal-700);}

/* ==========================================================================
   7. Category / archive / blog grid pages
   ========================================================================== */
.archive-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:26px;padding:8px 0 20px;}
@media (max-width:900px){.archive-grid{grid-template-columns:1fr 1fr;}}
@media (max-width:600px){.archive-grid{grid-template-columns:1fr;}}
.pagination{display:flex;gap:8px;justify-content:center;padding:32px 0 60px;}
.pagination a,.pagination span{padding:8px 14px;border:1px solid var(--c-line);border-radius:6px;font-size:14px;font-weight:600;background:var(--c-paper);}
.pagination .current{background:var(--c-metal-900);color:#fff;border-color:var(--c-metal-900);}

/* ==========================================================================
   8. Static pages
   ========================================================================== */
.page-hero{padding:44px 0 20px;}
.page-hero h1{font-size:38px;margin:0;}
.page-content{padding:0 0 60px;max-width:820px;}
.page-content p{color:var(--c-ink-soft);font-size:16px;}

.contact-form{max-width:640px;margin-top:8px;}
.form-row{margin-bottom:20px;}
.form-row label{display:block;font-weight:700;font-size:13px;text-transform:uppercase;letter-spacing:.03em;margin-bottom:8px;color:var(--c-ink-soft);}
.form-row input,.form-row textarea{width:100%;border:1px solid var(--c-line);border-radius:8px;padding:12px 14px;background:var(--c-paper-soft);color:var(--c-ink);}
.form-row textarea{min-height:130px;resize:vertical;}
.form-row input:focus,.form-row textarea:focus{outline:2px solid var(--c-metal-500);background:var(--c-paper);}
.btn-submit{background:var(--c-metal-900);color:#fff;border:none;border-radius:8px;padding:13px 30px;font-weight:700;font-size:14px;letter-spacing:.02em;text-transform:uppercase;}
.btn-submit:hover{background:var(--c-metal-700);}
.form-notice{padding:12px 16px;border-radius:8px;margin-bottom:20px;font-size:14px;font-weight:600;}
.form-notice.success{background:#e5f7ec;color:var(--c-success);}
.form-notice.error{background:#fdecec;color:var(--c-danger);}

/* ==========================================================================
   9. Single post
   ========================================================================== */
.single-post-wrap{max-width:800px;padding:36px 0 64px;}
.single-post-wrap .post-thumb{border-radius:12px;margin-bottom:24px;aspect-ratio:16/9;object-fit:cover;}
.single-post-wrap h1{font-size:34px;}
.entry-content{font-size:17px;color:var(--c-ink);}
.entry-content p{margin-bottom:1.3em;}
.entry-content img{border-radius:10px;margin:1.5em 0;}
.entry-content h2{font-size:25px;}
.entry-content h3{font-size:20px;}

/* ==========================================================================
   10. Footer
   ========================================================================== */
.site-footer{background:var(--c-metal-900);color:#c9cdd6;margin-top:20px;position:relative;z-index:1;}
.footer-inner{padding:40px 0 22px;display:flex;flex-wrap:wrap;gap:28px;justify-content:space-between;align-items:center;}
.footer-brand{display:flex;align-items:center;gap:10px;font-family:var(--font-head);font-size:18px;color:#fff;}
.footer-brand img{height:28px;}
.footer-nav ul{display:flex;gap:20px;flex-wrap:wrap;}
.footer-nav a{font-size:13px;color:#c9cdd6;}
.footer-nav a:hover{color:#fff;}
.footer-bottom{border-top:1px solid rgba(255,255,255,.08);padding:16px 0;text-align:center;font-size:12.5px;color:#8b90a0;}

.visually-hidden{position:absolute!important;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0);}