:root{--navy:#173b5c;--blue:#167caf;--ink:#182631;--muted:#647582;--line:#ccd5db}*{box-sizing:border-box}html,body{min-height:100%}body{margin:0;background:#f3f6f8;color:var(--ink);font:16px Arial,sans-serif}header{height:70px;background:var(--navy);display:flex;align-items:center;justify-content:space-between;padding:0 max(5vw,42px)}.logo{color:#fff;text-decoration:none;font-weight:bold;font-size:23px}.logo span{font-size:10px;letter-spacing:1.6px;border-left:1px solid #91a9ba;margin-left:9px;padding-left:10px}.teacher-link{color:#fff;text-decoration:none;border:1px solid #8fa8ba;padding:9px 14px;font-size:13px}main{max-width:1240px;margin:0 auto;padding:70px 28px 85px}.intro{text-align:center;max-width:700px;margin:0 auto 43px}.eyebrow{font-size:11px;letter-spacing:2px;font-weight:bold;color:var(--blue)}h1{font-size:34px;color:var(--navy);margin:11px 0}.intro p{color:var(--muted);line-height:1.55}.skill-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:22px;align-items:stretch}.skill-card{background:#fff;border:1px solid var(--line);text-decoration:none;color:var(--ink);padding:27px;display:flex;flex-direction:column;gap:16px;min-height:315px;transition:.18s;box-shadow:0 4px 15px #16334a0b}.skill-card:hover{transform:translateY(-3px);border-color:#7a9cb2;box-shadow:0 9px 24px #16334a18}.skill-card>div:last-child{display:flex;flex:1;flex-direction:column}.icon{width:58px;height:58px;border-radius:50%;display:grid;place-items:center;background:#e8f4fa;color:var(--blue);font-size:27px}.skill-card small{font-size:10px;letter-spacing:1.4px;color:#71818c}.skill-card h2{font-size:22px;color:var(--navy);margin:7px 0 9px}.skill-card p{color:var(--muted);line-height:1.5;min-height:68px}.skill-card strong{display:flex;justify-content:space-between;color:var(--blue);margin-top:auto;padding-top:18px;font-size:14px}.reading .icon{background:#edf1f8;color:#405f83}.writing .icon{background:#f1edfa;color:#66509a}.teacher-portal{background:#eef2f5}footer{text-align:center;color:#798792;font-size:12px;padding:22px}@media(max-width:1000px){.skill-grid{grid-template-columns:1fr 1fr}}@media(max-width:700px){.skill-grid{grid-template-columns:1fr}main{padding-top:45px}.skill-card{min-height:0;display:grid;grid-template-columns:55px 1fr}.icon{width:51px;height:51px}}