:root{--blue:#07529a;--blue2:#003c73;--green:#3aa83e;--light:#f5faf6;--ink:#122238;--muted:#667383;--white:#fff}
*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;font-family:Inter,Arial,sans-serif;color:var(--ink);line-height:1.6}a{text-decoration:none;color:inherit}.container{width:min(1160px,92%);margin:auto}.header{position:sticky;top:0;z-index:20;background:#fff;border-bottom:1px solid #e7edf1}.nav{height:76px;display:flex;align-items:center;gap:30px}.brand img{width:185px;display:block}.nav nav{margin-left:auto;display:flex;gap:28px;font-weight:700;font-size:14px}.nav nav a:hover{color:var(--green)}.btn{display:inline-flex;align-items:center;justify-content:center;padding:13px 22px;border-radius:8px;font-weight:800;border:1px solid transparent}.btn-green{background:var(--green);color:#fff}.btn-green:hover{background:#2e8d33}.btn-light{background:#fff;color:var(--blue);border-color:#fff}.menu{display:none;background:none;border:0;font-size:28px}.hero{position:relative;min-height:650px;display:flex;align-items:center;color:#fff;overflow:hidden}.hero-bg{position:absolute;inset:0;background:linear-gradient(90deg,rgba(0,42,80,.92),rgba(0,62,115,.72),rgba(0,62,115,.28)),url("assets/hero.jpg") center/cover}.hero-content{position:relative;z-index:2;padding:90px 0;max-width:760px}.eyebrow{font-size:12px;letter-spacing:2px;font-weight:900;color:#c9efc7}.eyebrow.dark{color:var(--green)}h1{font-size:clamp(42px,6vw,72px);line-height:1.05;margin:18px 0}h1 span,h2 span{color:#66bd4e}.hero-content p{font-size:19px;max-width:650px;color:#eef6ff}.actions{display:flex;gap:12px;margin-top:30px}.hero-strip{position:absolute;bottom:0;left:0;right:0;background:rgba(0,52,100,.93);display:grid;grid-template-columns:repeat(4,1fr);z-index:3}.hero-strip div{padding:18px 24px;border-right:1px solid rgba(255,255,255,.15)}.hero-strip b,.hero-strip small{display:block}.hero-strip small{opacity:.7;font-size:12px}.section{padding:90px 0}.alt{background:var(--light)}.split{display:grid;grid-template-columns:1fr 1fr;gap:70px;align-items:center}h2{font-size:clamp(32px,4vw,48px);line-height:1.15;margin:12px 0 20px}p{color:var(--muted)}.photo-card{border-radius:20px;overflow:hidden;box-shadow:0 20px 50px rgba(0,40,80,.16)}.photo-card img{display:block;width:100%;height:390px;object-fit:cover}.facts{display:grid;grid-template-columns:repeat(3,1fr);gap:12px;margin-top:30px}.facts div{background:var(--light);padding:18px;border-left:4px solid var(--green)}.facts strong,.facts span{display:block}.facts strong{font-size:23px;color:var(--blue)}.facts span{font-size:12px;color:var(--muted)}.section-head{max-width:800px}.centered{text-align:center;margin:0 auto 45px}.cards{display:grid;grid-template-columns:repeat(4,1fr);gap:18px}.cards article{background:#fff;border:1px solid #e5ece7;border-radius:14px;padding:28px;box-shadow:0 8px 25px rgba(0,50,80,.05)}.icon{width:48px;height:48px;border-radius:50%;display:grid;place-items:center;background:#e7f5e7;color:var(--green);font-weight:900;font-size:24px}.cards h3{margin-bottom:4px}.product-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:22px}.product{display:grid;grid-template-columns:210px 1fr;border:1px solid #e5eaf0;border-radius:16px;overflow:hidden;background:#fff;min-height:220px}.product-img{background-size:cover;background-position:center}.paper{background-image:url("assets/products.jpg");background-position:left center}.notebooks{background-image:url("assets/products.jpg");background-position:45% center}.books{background-image:url("assets/products.jpg");background-position:70% center}.other{background-image:url("assets/products.jpg");background-position:right center}.product>div:last-child{padding:22px}.product h3{color:var(--blue);margin:0 0 8px}.dark-section{background:linear-gradient(135deg,var(--blue2),#00733d);color:#fff}.dark-section p{color:#d8e7f2}.commitments{display:grid;gap:13px}.commitments div{display:flex;gap:18px;align-items:flex-start;padding:15px;border:1px solid rgba(255,255,255,.14);border-radius:12px;background:rgba(255,255,255,.05)}.commitments b{font-size:22px;color:#7ed06d}.commitments strong,.commitments span{display:block}.commitments strong{margin-bottom:3px}.cta{padding:55px 0;background:#eaf6e9}.cta-inner{display:flex;justify-content:space-between;align-items:center;gap:30px}.cta h2{max-width:700px}.contact-grid{display:grid;grid-template-columns:1fr 1fr;gap:60px}.contact-info{display:grid;gap:13px;font-size:18px;font-weight:700}.contact-info a{color:var(--blue)}.contact-info span{font-weight:500;color:var(--muted)}footer{background:#002d57;color:#fff;padding:24px 0}.footer{display:flex;justify-content:space-between;gap:20px;font-size:13px}.footer strong{color:#80cf62}
@media(max-width:850px){.nav nav,.nav-cta{display:none}.menu{display:block;margin-left:auto}.nav{height:68px}.nav.open nav{display:flex;position:absolute;top:68px;left:0;right:0;background:#fff;padding:20px;flex-direction:column;box-shadow:0 8px 15px #0001}.hero{min-height:650px}.hero-strip{grid-template-columns:repeat(2,1fr)}.split,.contact-grid{grid-template-columns:1fr;gap:35px}.cards{grid-template-columns:repeat(2,1fr)}.product-grid{grid-template-columns:1fr}.photo-card img{height:300px}.facts{grid-template-columns:1fr 1fr}.cta-inner{flex-direction:column;align-items:flex-start}}
@media(max-width:520px){.section{padding:65px 0}.cards{grid-template-columns:1fr}.facts{grid-template-columns:1fr}.product{grid-template-columns:1fr}.product-img{height:180px}.hero-content{padding-bottom:150px}.actions{flex-direction:column;align-items:stretch}.hero-strip div{padding:12px}.footer{flex-direction:column}}