/*
Theme Name: PureLab Information
Theme URI: https://example.com/
Author: OpenAI
Description: A clean, responsive informational WordPress theme for a research and laboratory education website.
Version: 1.0
Text Domain: purelab-information
*/
:root{--navy:#102b46;--blue:#1677b8;--cyan:#43b6c8;--ink:#263746;--muted:#647789;--pale:#f2f8fb;--line:#dce8ee;--white:#fff}
*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;font-family:Arial,Helvetica,sans-serif;color:var(--ink);line-height:1.65;background:#fff}
a{color:var(--blue);text-decoration:none}a:hover{text-decoration:underline}.wrap{width:min(1120px,92%);margin:auto}
.site-header{background:#fff;border-bottom:1px solid var(--line);position:sticky;top:0;z-index:20}.head-inner{min-height:78px;display:flex;align-items:center;justify-content:space-between;gap:24px}
.brand{font-size:1.35rem;font-weight:800;letter-spacing:.02em;color:var(--navy)}.brand span{color:var(--cyan)}
.main-nav ul{display:flex;gap:25px;list-style:none;margin:0;padding:0}.main-nav a{font-weight:700;color:var(--navy);font-size:.95rem}
.hero{background:linear-gradient(120deg,#102b46 0%,#145b83 65%,#1677b8 100%);color:#fff;padding:92px 0 86px}
.hero-grid{display:grid;grid-template-columns:1.2fr .8fr;align-items:center;gap:50px}.eyebrow{text-transform:uppercase;letter-spacing:.16em;font-size:.76rem;font-weight:700;color:#a9e7ef}.hero h1{font-size:clamp(2.4rem,5vw,4.2rem);line-height:1.08;margin:14px 0 20px;max-width:720px}.hero p{font-size:1.12rem;color:#e2f0f6;max-width:650px}
.hero-panel{border:1px solid #ffffff55;background:#ffffff12;border-radius:18px;padding:28px;backdrop-filter:blur(4px)}.hero-panel strong{display:block;font-size:1.15rem;margin-bottom:8px}.hero-panel p{font-size:.98rem;margin:0}
.btn{display:inline-block;background:#fff;color:var(--navy);padding:12px 20px;border-radius:7px;font-weight:800;margin-top:16px}.btn:hover{text-decoration:none;background:#e8f7fa}
.section{padding:68px 0}.section.alt{background:var(--pale)}.section h2{font-size:2rem;line-height:1.2;color:var(--navy);margin:0 0 14px}.lead{color:var(--muted);max-width:760px}.cards{display:grid;grid-template-columns:repeat(3,1fr);gap:20px;margin-top:30px}.card{padding:25px;background:#fff;border:1px solid var(--line);border-radius:12px;box-shadow:0 8px 24px #102b460b}.card .num{font-size:.78rem;color:var(--blue);font-weight:800;letter-spacing:.12em}.card h3{color:var(--navy);margin:9px 0}.notice{padding:20px 22px;border-left:4px solid var(--cyan);background:#eef9fb;border-radius:7px;margin-top:28px}
.page-hero{background:var(--pale);padding:54px 0}.page-hero h1{color:var(--navy);font-size:2.6rem;margin:0}.content{padding:48px 0 72px;max-width:820px}.content h2,.content h3{color:var(--navy)}
.site-footer{background:#0c2237;color:#d6e5ee;padding:38px 0}.footer-inner{display:flex;justify-content:space-between;gap:25px;flex-wrap:wrap}.site-footer a{color:#a9e7ef}.small{font-size:.88rem;color:#a9bdca}
.menu-toggle{display:none;background:none;border:1px solid var(--line);border-radius:6px;padding:8px 11px;color:var(--navy);font-size:1rem}
@media(max-width:760px){.head-inner{min-height:68px;flex-wrap:wrap;padding:12px 0}.menu-toggle{display:block}.main-nav{display:none;width:100%}.main-nav.open{display:block}.main-nav ul{display:flex;flex-direction:column;gap:0;padding:8px 0 12px}.main-nav li{padding:9px 0}.hero{padding:64px 0}.hero-grid{grid-template-columns:1fr;gap:25px}.cards{grid-template-columns:1fr}.section{padding:52px 0}.hero-panel{max-width:520px}}