@import url('https://fonts.googleapis.com/css2?family=Vazirmatn:wght@300;400;500;600;700;800&display=swap');
:root{--navy:#0b1f3a;--navy2:#102c51;--turq:#118b8b;--mint:#d9f1ed;--gold:#f5b942;--ink:#172033;--muted:#647084;--line:#e3e9ef;--soft:#f5f8fb;--white:#fff;--shadow:0 18px 50px rgba(11,31,58,.09)}
*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;font-family:"Vazirmatn",Tahoma,sans-serif;color:var(--ink);background:#fff;line-height:1.85}a{color:inherit;text-decoration:none}button{font:inherit}.container{width:min(1160px,calc(100% - 36px));margin:auto}.skip-link{position:fixed;top:-80px;right:20px;background:#fff;padding:10px 16px;z-index:999}.skip-link:focus{top:12px}.site-header{position:sticky;top:0;background:rgba(255,255,255,.9);backdrop-filter:blur(12px);border-bottom:1px solid rgba(227,233,239,.8);z-index:100}.nav-wrap{height:78px;display:flex;align-items:center;justify-content:space-between}.brand{display:flex;align-items:center;gap:12px}.brand-mark{width:44px;height:44px;display:grid;place-items:center;border-radius:13px;background:linear-gradient(135deg,var(--navy),var(--turq));color:#fff;font-weight:800;direction:ltr}.brand strong,.brand small{display:block;line-height:1.45}.brand strong{font-size:14px}.brand small{font-size:11px;color:var(--muted)}.main-nav{display:flex;gap:26px;font-size:14px;font-weight:600}.main-nav a{position:relative}.main-nav a:after{content:"";position:absolute;right:0;bottom:-8px;width:0;height:2px;background:var(--turq);transition:.25s}.main-nav a:hover:after{width:100%}.menu-btn{display:none;border:0;background:var(--soft);font-size:24px;border-radius:10px;padding:5px 11px}.hero{position:relative;overflow:hidden;background:linear-gradient(145deg,#f3fbfa,#fff 48%,#eef3f9);padding:92px 0 80px}.hero:before{content:"";position:absolute;width:430px;height:430px;border:90px solid rgba(17,139,139,.06);border-radius:50%;left:-160px;top:-170px}.hero-grid{position:relative;display:grid;grid-template-columns:1.15fr .85fr;align-items:center;gap:70px;z-index:2}.eyebrow,.section-kicker{display:inline-block;color:var(--turq);font-size:13px;font-weight:800;letter-spacing:.02em;margin-bottom:12px}.hero h1{font-size:clamp(42px,6vw,72px);line-height:1.2;margin:0 0 22px;color:var(--navy);letter-spacing:-2px}.hero h1 span{color:var(--turq)}.hero-content>p{max-width:660px;font-size:18px;color:#536177}.hero-actions{display:flex;gap:12px;margin:32px 0}.btn{display:inline-flex;align-items:center;justify-content:center;min-height:49px;padding:0 23px;border-radius:12px;font-weight:700;transition:.25s}.btn:hover{transform:translateY(-2px)}.btn-primary{background:var(--navy);color:#fff;box-shadow:0 10px 25px rgba(11,31,58,.18)}.btn-secondary{border:1px solid var(--line);background:#fff}.hero-meta{display:flex;flex-wrap:wrap;gap:9px 20px;color:var(--muted);font-size:13px}.hero-card{background:#fff;padding:18px;border-radius:24px;box-shadow:var(--shadow);transform:rotate(-1deg)}.code-window{background:var(--navy);border-radius:17px;overflow:hidden;color:#dbe8f5;direction:ltr}.window-bar{height:44px;background:#102b4b;display:flex;align-items:center;padding:0 14px;gap:7px;color:#859cb6;font-size:11px}.window-bar i{width:10px;height:10px;border-radius:50%;background:#ff6b67}.window-bar i:nth-child(2){background:#ffc858}.window-bar i:nth-child(3){background:#5bd28c}.window-bar span{margin-left:8px}.code-window pre{margin:0;padding:30px 28px;font:14px/2.05 Consolas,monospace}.code-window b{color:#5ed7d3}.code-window em{color:#ffca68}.code-window strong{color:#87e2a7}.quick-stats{display:grid;grid-template-columns:repeat(3,1fr);text-align:center;padding:20px 4px 4px}.quick-stats div{border-left:1px solid var(--line)}.quick-stats div:last-child{border:0}.quick-stats strong,.quick-stats span{display:block}.quick-stats strong{font-size:20px;color:var(--navy)}.quick-stats span{font-size:11px;color:var(--muted)}.notice-section{margin-top:-28px;position:relative;z-index:3}.notice{background:#fff;border:1px solid var(--line);box-shadow:var(--shadow);border-radius:14px;min-height:66px;padding:12px 18px;display:flex;align-items:center;gap:14px;font-size:14px}.notice-badge{background:#fff0d0;color:#8d5b00;border-radius:20px;padding:3px 11px;font-size:11px;font-weight:800}.notice time{margin-right:auto;color:var(--muted);white-space:nowrap}.section{padding:100px 0}.section-soft{background:var(--soft)}.two-col{display:grid;grid-template-columns:1.1fr .9fr;gap:85px;align-items:center}.section h2{font-size:clamp(30px,4vw,43px);line-height:1.35;margin:0 0 20px;color:var(--navy);letter-spacing:-1px}.lead{font-size:18px;color:#3e4b60}.tags{display:flex;flex-wrap:wrap;gap:9px;margin-top:25px}.tags span{background:var(--mint);color:#116d6e;padding:6px 13px;border-radius:30px;font-size:12px;font-weight:700}.outcomes-card{padding:36px;border-radius:24px;background:var(--navy);color:#fff;box-shadow:0 25px 60px rgba(11,31,58,.18)}.outcomes-card h3{font-size:23px;margin-top:0}.check-list{list-style:none;padding:0;margin:0}.check-list li{padding:12px 34px 12px 0;position:relative;border-bottom:1px solid rgba(255,255,255,.1)}.check-list li:last-child{border:0}.check-list li:before{content:"✓";position:absolute;right:0;color:#6fe0c7;font-weight:800}.section-head{display:flex;align-items:end;justify-content:space-between;gap:30px;margin-bottom:42px}.section-head p{max-width:430px;color:var(--muted)}.timeline{display:grid;grid-template-columns:repeat(4,1fr);gap:16px}.timeline article{background:#fff;border:1px solid var(--line);border-radius:17px;padding:24px;min-height:190px;transition:.25s}.timeline article:hover{transform:translateY(-5px);box-shadow:var(--shadow);border-color:#b7ded8}.timeline span{font-size:11px;color:var(--turq);font-weight:800}.timeline h3{font-size:16px;color:var(--navy);margin:12px 0 8px}.timeline p{font-size:13px;color:var(--muted);margin:0}.filter{display:flex;gap:7px;flex-wrap:wrap}.filter button{border:1px solid var(--line);background:#fff;border-radius:30px;padding:7px 14px;cursor:pointer;color:var(--muted)}.filter button.active,.filter button:hover{background:var(--navy);color:#fff;border-color:var(--navy)}.resource-grid{display:grid;grid-template-columns:1fr 1fr;gap:16px}.resource-card{position:relative;display:flex;align-items:center;gap:18px;border:1px solid var(--line);border-radius:18px;padding:20px;background:#fff;transition:.25s}.resource-card:hover{box-shadow:var(--shadow);transform:translateY(-3px)}.resource-card.hidden{display:none}.file-icon{flex:0 0 58px;height:64px;border-radius:12px;display:grid;place-items:center;font-size:11px;font-weight:800;direction:ltr}.file-icon.pdf{background:#ffe5e4;color:#b93934}.file-icon.doc{background:#e0f1ff;color:#17669d}.file-icon.exam{background:#fff0cf;color:#9a6500}.file-icon.zip{background:#e0f5eb;color:#14744d}.file-info{padding-left:34px}.file-info .type{font-size:11px;color:var(--turq);font-weight:800}.file-info h3{font-size:15px;margin:4px 0;color:var(--navy)}.file-info p{font-size:12px;color:var(--muted);margin:0 0 8px}.file-meta{display:flex;gap:14px;font-size:10px;color:#8e98a8}.download{position:absolute;left:17px;width:35px;height:35px;border-radius:50%;display:grid;place-items:center;background:var(--soft);color:var(--navy);font-size:20px;font-weight:800}.download:hover{background:var(--turq);color:#fff}.upload-note{margin:25px 0 0;padding:13px 18px;border-radius:10px;background:#fff9e9;color:#75571e;font-size:12px}.upload-note code{direction:ltr;display:inline-block}.section-navy{background:var(--navy);color:#fff}.assessment-grid{display:grid;grid-template-columns:1.7fr repeat(4,1fr);align-items:center;gap:20px}.section-navy h2{color:#fff}.section-navy p{color:#a9b8ca}.section-kicker.light{color:#72d9ce}.grade{text-align:center;background:rgba(255,255,255,.07);border:1px solid rgba(255,255,255,.1);border-radius:18px;padding:24px 10px}.grade strong,.grade span{display:block}.grade strong{font-size:27px;color:#72d9ce}.grade span{font-size:12px;color:#c2ccda}.books{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}.books article{display:flex;gap:18px;align-items:center;border:1px solid var(--line);border-radius:17px;padding:24px}.book-no{font-size:27px;font-weight:800;color:#b4dcd9}.books h3{font-size:15px;color:var(--navy);margin:0 0 4px;direction:ltr;text-align:right}.books p{font-size:12px;color:var(--muted);margin:0;direction:ltr;text-align:right}.contact{padding-top:20px}.contact-box{background:linear-gradient(120deg,#e6f7f4,#eff4fa);border-radius:27px;padding:50px;display:flex;justify-content:space-between;align-items:center;gap:50px}.contact-box p{max-width:690px;color:var(--muted)}.contact-actions{text-align:center;min-width:190px}.contact-actions span{display:block;font-size:11px;color:var(--muted);margin-top:10px}footer{border-top:1px solid var(--line);padding:24px 0;color:var(--muted);font-size:12px}.footer-wrap{display:flex;justify-content:space-between;align-items:center}
@media(max-width:980px){.hero-grid,.two-col{grid-template-columns:1fr}.hero-grid{gap:45px}.hero-card{max-width:620px}.timeline{grid-template-columns:repeat(2,1fr)}.assessment-grid{grid-template-columns:repeat(2,1fr)}.assessment-grid>div:first-child{grid-column:1/-1}.books{grid-template-columns:1fr}.main-nav{display:none;position:absolute;top:78px;right:18px;left:18px;background:#fff;padding:18px;border-radius:15px;box-shadow:var(--shadow);flex-direction:column;gap:14px}.main-nav.open{display:flex}.menu-btn{display:block}}
@media(max-width:720px){.hero{padding-top:62px}.hero h1{font-size:42px}.section{padding:72px 0}.resource-grid{grid-template-columns:1fr}.section-head{align-items:flex-start;flex-direction:column}.filter{width:100%;overflow:auto;flex-wrap:nowrap;padding-bottom:5px}.filter button{white-space:nowrap}.contact-box{padding:32px 24px;display:block}.contact-actions{margin-top:25px;text-align:right}.notice{align-items:flex-start;flex-wrap:wrap}.notice time{margin-right:0}.brand strong{font-size:12px}}
@media(max-width:480px){.container{width:min(100% - 24px,1160px)}.hero-actions{flex-direction:column}.hero-card{padding:10px}.quick-stats{grid-template-columns:1fr;gap:9px}.quick-stats div{border-left:0;border-bottom:1px solid var(--line);padding-bottom:8px}.timeline{grid-template-columns:1fr}.assessment-grid{grid-template-columns:1fr}.resource-card{align-items:flex-start;padding:16px}.file-icon{flex-basis:48px;height:54px}.file-info h3{font-size:14px}.footer-wrap{display:block;text-align:center}.hero-meta{display:grid}.outcomes-card{padding:27px 22px}.code-window pre{font-size:12px;padding:24px 16px}.contact-box{border-radius:18px}}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}*{transition:none!important}}
.back-to-teaching {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 9px 15px;
  color: #173653;
  background-color: #ffffff;
  border: 1px solid #d9e1e8;
  border-radius: 9px;
  font-size: 0.9rem;
  font-weight: 600;
  text-decoration: none;
  transition:
    color 0.2s ease,
    border-color 0.2s ease,
    background-color 0.2s ease,
    transform 0.2s ease;
}

.back-to-teaching:hover {
  color: #ffffff;
  background-color: #173653;
  border-color: #173653;
  transform: translateX(-2px);
}