/*
Theme Name: OnlineOpenSchool
Theme URI: https://onlineopenschool.com/
Author: OnlineOpenSchool
Description: Lightweight, responsive, accessible and portable custom theme for OnlineOpenSchool. No page builder required.
Version: 1.0.2
Requires at least: 6.3
Requires PHP: 7.4
License: GPL-2.0-or-later
License URI: https://www.gnu.org/licenses/gpl-2.0.html
Text Domain: onlineopenschool
Tags: education, custom-logo, custom-menu, featured-images, responsive-layout, accessibility-ready
*/

:root{
 --oos-navy:#0b2850;--oos-blue:#1268c4;--oos-blue-dark:#0a4e99;
 --oos-gold:#c89a38;--oos-text:#25364d;--oos-muted:#64748b;
 --oos-border:#dce5ef;--oos-light:#f5f9fd;--oos-white:#fff;
 --oos-max:1400px;--oos-radius:10px;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;background:#fff;color:var(--oos-text);font-family:system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,Arial,sans-serif;line-height:1.65;-webkit-text-size-adjust:100%}
img{max-width:100%;height:auto}
a{color:var(--oos-blue);text-decoration:none}
a:hover{text-decoration:underline}
button,input,select,textarea{font:inherit}
:focus-visible{outline:3px solid #f0b429;outline-offset:3px}
.skip-link{position:absolute;left:-9999px;top:10px;z-index:9999;background:#fff;padding:10px 14px}
.skip-link:focus{left:10px}
.container{width:min(var(--oos-max),calc(100% - 48px));margin-inline:auto}

/* Header */
.site-header{background:#fff;border-bottom:1px solid var(--oos-border);position:relative;z-index:20}
.header-top{max-width:var(--oos-max);margin:auto;padding:12px 24px 10px;display:flex;align-items:center;gap:22px}
.brand{display:flex;align-items:center;gap:14px;min-width:0;text-decoration:none}
.brand-emblem{width:92px;height:64px;object-fit:contain;object-position:center;flex:0 0 auto}
.brand-text{display:flex;flex-direction:column;justify-content:center;min-width:0}
.site-title{display:block;font-size:clamp(1.55rem,2.6vw,2.65rem);font-weight:800;letter-spacing:-.045em;color:var(--oos-navy);line-height:1;white-space:nowrap}
.site-title .com{color:#6d9dca}
.site-tagline{display:block;color:#5f7187;font-size:.92rem;line-height:1.25;margin-top:7px;white-space:nowrap}
.header-search{margin-left:auto;display:flex;gap:7px;align-items:center}
.header-search input{width:min(390px,30vw);padding:11px 14px;border:1px solid #b9c8d8;border-radius:7px;color:var(--oos-text);background:#fff}
.header-search button{border:0;background:transparent;color:var(--oos-navy);cursor:pointer;padding:9px;font-weight:700}
.menu-toggle{display:none;border:1px solid var(--oos-border);background:#fff;border-radius:7px;padding:9px 12px;color:var(--oos-navy);cursor:pointer}
.main-nav{border-top:1px solid #eef2f6}
.main-nav ul{max-width:var(--oos-max);margin:auto;padding:0 24px;list-style:none;display:flex;flex-wrap:wrap;gap:2px}
.main-nav li{margin:0}
.main-nav a{display:block;padding:13px 16px;color:var(--oos-navy);font-weight:600}
.main-nav a:hover,.main-nav .current-menu-item>a{color:var(--oos-blue);text-decoration:none;border-bottom:3px solid var(--oos-blue)}

/* Hero */
.hero{background:linear-gradient(90deg,#f8fbfe 0%,#fff 52%,#eef5fb 100%);overflow:hidden}
.hero-inner{max-width:var(--oos-max);margin:auto;min-height:450px;display:grid;grid-template-columns:1fr 1.15fr;align-items:stretch}
.hero-copy{padding:62px 24px;display:flex;flex-direction:column;justify-content:center}
.eyebrow{font-size:.84rem;font-weight:800;letter-spacing:.14em;color:#50627a;text-transform:uppercase}
.hero h1{font-size:clamp(2.6rem,5vw,4.7rem);line-height:1.03;letter-spacing:-.055em;color:var(--oos-navy);margin:18px 0}
.hero p{font-size:1.14rem;color:#40546b;max-width:680px;margin:0 0 28px}
.cta-row{display:flex;gap:14px;flex-wrap:wrap}
.button{display:inline-flex;align-items:center;justify-content:center;min-height:48px;padding:11px 24px;border-radius:7px;border:1px solid var(--oos-blue);font-weight:700;cursor:pointer}
.button-primary{background:var(--oos-blue);color:#fff}
.button-primary:hover{background:var(--oos-blue-dark);text-decoration:none}
.button-secondary{background:#fff;color:var(--oos-navy)}
.button-secondary:hover{text-decoration:none;background:#f6f9fc}
.hero-media{min-height:450px;background-size:cover;background-position:center;position:relative;margin-right:24px;border-radius:0 0 0 2px;overflow:hidden}
.hero-media img{width:100%;height:100%;object-fit:cover;display:block}

/* Feature strip */
.feature-strip{background:#f7f9fb;border-bottom:1px solid #edf1f5}
.feature-grid{max-width:var(--oos-max);margin:auto;display:grid;grid-template-columns:repeat(4,1fr)}
.feature{padding:26px 24px;display:flex;gap:15px;align-items:flex-start;border-right:1px solid #e2e8f0}
.feature:last-child{border-right:0}
.feature-icon{width:48px;height:48px;flex:0 0 48px;border-radius:50%;display:grid;place-items:center;background:#fff;color:var(--oos-blue);border:1px solid #e4ebf3;font-size:1.25rem;font-weight:800}
.feature:nth-child(2) .feature-icon{color:#169b79}
.feature:nth-child(3) .feature-icon{color:#e98c39}
.feature:nth-child(4) .feature-icon{color:#7560a5}
.feature h3{font-size:1rem;margin:0 0 4px;color:var(--oos-navy)}
.feature p{font-size:.9rem;color:var(--oos-muted);margin:0}

/* Sections */
.section{padding:62px 0}
.section-alt{background:#f6faff}
.section-heading{text-align:center;max-width:820px;margin:0 auto 30px}
.section-heading h2{font-size:clamp(1.8rem,3vw,2.55rem);letter-spacing:-.035em;color:var(--oos-navy);margin:0 0 8px}
.section-heading p{color:var(--oos-muted);margin:0}
.subject-grid{display:grid;grid-template-columns:repeat(6,1fr);gap:16px}
.subject-card{border:1px solid var(--oos-border);border-radius:8px;overflow:hidden;background:#fff;box-shadow:0 3px 12px rgba(11,40,80,.04);transition:transform .18s ease,box-shadow .18s ease}
.subject-card:hover{transform:translateY(-2px);box-shadow:0 8px 24px rgba(11,40,80,.09)}
.subject-card img{width:100%;aspect-ratio:1.55/1;object-fit:cover;display:block}
.subject-card h3{font-size:1rem;margin:0;padding:14px 15px;color:var(--oos-navy);display:flex;justify-content:space-between;gap:10px}
.subject-card h3 span{color:var(--oos-blue)}
.question-banner{display:flex;justify-content:space-between;align-items:center;gap:25px;background:#eef5fc;border-top:1px solid #dce8f4;border-bottom:1px solid #dce8f4;padding:30px 24px}
.question-banner h2{margin:0;color:var(--oos-navy);font-size:clamp(1.7rem,3vw,2.4rem)}
.question-banner p{margin:4px 0 0;color:var(--oos-muted)}

/* General WordPress content */
.entry-header h1{font-size:clamp(2rem,4vw,3.5rem);color:var(--oos-navy);line-height:1.1}
.entry-content{font-size:1.05rem}
.entry-content h2,.entry-content h3,.entry-content h4{color:var(--oos-navy)}
.entry-content img{border-radius:6px}
.entry-content table{width:100%;border-collapse:collapse;margin:20px 0}
.entry-content th,.entry-content td{border:1px solid var(--oos-border);padding:10px;text-align:left}
.pagination{display:flex;gap:8px;flex-wrap:wrap;margin-top:30px}
.pagination a,.pagination span{padding:8px 12px;border:1px solid var(--oos-border);border-radius:5px}

/* Footer */
.site-footer{background:#0b2850;color:#d9e5f2;margin-top:40px}
.footer-grid{max-width:var(--oos-max);margin:auto;padding:45px 24px;display:grid;grid-template-columns:2fr 1fr 1fr 1fr;gap:35px}
.site-footer h2,.site-footer h3{color:#fff;margin-top:0}
.site-footer a{color:#d9e5f2}
.site-footer ul{list-style:none;margin:0;padding:0}
.site-footer li{margin:7px 0}
.footer-bottom{border-top:1px solid rgba(255,255,255,.14);padding:16px 24px;text-align:center;font-size:.88rem}

/* WordPress helpers */
.wp-block-button__link{border-radius:7px}
.wp-caption{max-width:100%}
.alignwide{max-width:var(--oos-max);margin-inline:auto}
.screen-reader-text{position:absolute!important;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}
.screen-reader-text:focus{position:static;width:auto;height:auto;margin:0;overflow:visible;clip:auto;white-space:normal}

/* Tablet */
@media (max-width:1100px){
 .header-top{padding-inline:20px}
 .header-search input{width:250px}
 .subject-grid{grid-template-columns:repeat(3,1fr)}
 .feature-grid{grid-template-columns:repeat(2,1fr)}
 .feature:nth-child(2){border-right:0}
 .feature:nth-child(-n+2){border-bottom:1px solid #e2e8f0}
 .hero-inner{grid-template-columns:1fr 1fr}
}

/* Mobile */
@media (max-width:780px){
 .container{width:min(100% - 30px,var(--oos-max))}
 .header-top{padding:10px 15px;gap:10px}
 .brand-emblem{width:62px;height:52px}
 .site-tagline{font-size:.76rem;white-space:normal}
 .brand-text{min-width:0}
 .header-search{display:none}
 .menu-toggle{display:block;margin-left:auto}
 .main-nav{display:none}
 .main-nav.is-open{display:block}
 .main-nav ul{display:block;padding:5px 15px}
 .main-nav a{padding:11px 10px;border-bottom:1px solid #edf1f5!important}
 .hero-inner{grid-template-columns:1fr;min-height:0}
 .hero-copy{padding:42px 15px}
 .hero h1{font-size:clamp(2.35rem,11vw,3.7rem)}
 .hero p{font-size:1rem}
 .hero-media{min-height:280px;max-height:380px;margin-right:0}
 .feature-grid{grid-template-columns:1fr}
 .feature{border-right:0!important;border-bottom:1px solid #e2e8f0!important;padding:20px 15px}
 .feature:last-child{border-bottom:0!important}
 .section{padding:45px 0}
 .subject-grid{grid-template-columns:repeat(2,1fr);gap:12px}
 .question-banner{align-items:flex-start;flex-direction:column;padding:25px 20px}
 .footer-grid{grid-template-columns:1fr;padding:35px 20px}
}

/* Small phones */
@media (max-width:420px){
 .site-title{font-size:1.45rem}
 .brand-emblem{width:54px}
 .subject-grid{grid-template-columns:1fr}
 .cta-row{flex-direction:column;align-items:stretch}
 .button{width:100%}
}
@media (prefers-reduced-motion:reduce){
 html{scroll-behavior:auto}
 *,*::before,*::after{transition:none!important;animation:none!important}
}