/* ===== COLORS: edit here ===== */
:root{--bg:#fbf8f1;--bg2:#efe6d6;--card:#fff;--ink:#1c2740;--muted:#5d677a;--line:#ddd3bf;--navy:#14284b;--deep:#0a1630;--teal:#3f8f8d;--teal2:#2c6e6c;--gold:#d9a441;--serif:Georgia,"Times New Roman",serif;--sans:system-ui,-apple-system,"Segoe UI",Roboto,Arial,sans-serif}
html[data-theme=dark]{--bg:#0c1424;--bg2:#101b31;--card:#15233d;--ink:#e8ecf4;--muted:#a6b0c3;--line:#26364f;--navy:#a9d3d0;--teal:#52aaa7;--teal2:#7cc6c3}
*{box-sizing:border-box}html{scroll-behavior:smooth;scroll-padding-top:70px}
body{margin:0;background:var(--bg);color:var(--ink);font:1.04rem/1.7 var(--sans);transition:background .3s,color .3s}
[hidden]{display:none!important}
:focus-visible{outline:3px solid var(--gold);outline-offset:3px}
section{max-width:1100px;margin:auto;padding:5rem 1.25rem}
h1,h2,h3{font-family:var(--serif);line-height:1.15;color:var(--navy);margin:0 0 .7rem}
h2{font-size:clamp(1.8rem,4vw,2.6rem);margin-bottom:1.6rem}
h2::after{content:"";display:block;height:4px;width:54px;background:var(--gold);margin-top:.6rem;border-radius:4px;transition:width .6s}
.in h2::after{width:120px}
code{background:var(--bg2);padding:.1rem .4rem;border-radius:6px;font-size:.88em}
.progress{position:fixed;top:0;left:0;height:3px;background:linear-gradient(90deg,var(--teal),var(--gold));width:0;z-index:200}

/* nav */
nav{position:sticky;top:0;z-index:100;display:flex;align-items:center;gap:1rem;flex-wrap:wrap;padding:.7rem 1.25rem;background:color-mix(in srgb,var(--bg) 88%,transparent);backdrop-filter:blur(10px);border-bottom:1px solid var(--line)}
nav b{font-family:var(--serif);color:var(--navy);font-size:1.15rem;margin-right:auto}
#links{display:flex;flex-wrap:wrap;gap:.2rem .9rem}
#links a{color:var(--ink);text-decoration:none;font-size:.9rem;padding:.2rem 0;border-bottom:2px solid transparent}
#links a:hover,#links a.on{border-color:var(--gold);color:var(--teal2)}
#burger,.theme{background:none;border:1px solid var(--line);color:var(--ink);border-radius:999px;padding:.3rem .8rem;cursor:pointer;font:inherit}
#burger{display:none}

/* hero */
.hero{max-width:none;min-height:88vh;display:flex;flex-direction:column;justify-content:center;align-items:flex-start;padding:5rem max(1.25rem,calc((100vw - 1100px)/2));color:#fff;background:radial-gradient(520px circle at var(--mx,72%) var(--my,28%),rgba(82,170,167,.4),transparent 65%),linear-gradient(155deg,var(--deep),#16305c 75%)}
.tags{display:flex;flex-wrap:wrap;gap:.5rem;margin-bottom:1.4rem}
.tags span{border:1px solid rgba(255,255,255,.3);border-radius:999px;padding:.2rem .9rem;font-size:.85rem;color:#cfe6e4;transition:background .2s,transform .2s}
.tags span:hover{background:rgba(255,255,255,.12);transform:translateY(-2px)}
.hero h1{color:#fff;font-size:clamp(2.3rem,6.2vw,4.7rem);max-width:15ch;letter-spacing:-.02em}
.hero>p{max-width:40rem;color:#dfe5ef;font-size:1.12rem}
.hero .btn{margin:1rem .7rem 0 0}.hero a.btn:nth-of-type(2){background:transparent;border:2px solid #a9d3d0}
.stats{display:flex;gap:2.5rem;margin-top:3rem;flex-wrap:wrap;color:#b9c6da;font-size:.9rem}
.stats div{display:flex;flex-direction:column}.stats b{font:700 2.4rem var(--serif);color:var(--gold)}

/* buttons */
.btn{display:inline-block;background:var(--teal);color:#fff;border:2px solid transparent;border-radius:999px;padding:.6rem 1.3rem;font:600 .95rem var(--sans);text-decoration:none;cursor:pointer;transition:transform .2s,background .2s,box-shadow .2s}
.btn:hover{background:var(--teal2);transform:translateY(-2px);box-shadow:0 8px 18px rgba(10,22,48,.2)}
.ppt-download,.worksheet-actions .btn+.btn{background:transparent;color:var(--teal2);border-color:var(--teal)}

/* cards */
.grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(250px,1fr));gap:1.1rem}
.card{position:relative;overflow:hidden;background:var(--card);border:1px solid var(--line);border-radius:18px 6px 18px 6px;padding:1.3rem;transform:perspective(800px) rotateX(var(--rx,0deg)) rotateY(var(--ry,0deg)) translateY(var(--ty,0));transition:transform .25s,box-shadow .25s,border-color .25s}
.card:hover{--ty:-4px;border-color:var(--teal);box-shadow:0 14px 30px rgba(10,22,48,.14)}
.card h3{font-size:1.15rem}.card p{color:var(--muted);font-size:.95rem;margin:.3rem 0}
.card small{color:var(--muted);line-height:1.5;display:inline-block}
.badge{display:inline-block;background:color-mix(in srgb,var(--teal) 18%,transparent);color:var(--teal2);border-radius:999px;padding:.05rem .75rem;font-size:.78rem;font-weight:600;margin-bottom:.5rem}
.badge:empty{display:none}
.card .btn{margin-top:.8rem}
.lesson::before,.worksheet-card::before{content:"";position:absolute;top:0;right:0;width:28px;height:28px;background:linear-gradient(225deg,var(--bg) 50%,var(--bg2) 50%)}
.ppt-card{border-top:6px solid var(--teal)}
.ppt-actions,.worksheet-actions{display:flex;gap:.5rem;flex-wrap:wrap}
.games .card{background:linear-gradient(160deg,var(--deep),#16305c);border:0;color:#fff}
.games .card h3{color:#fff}.games .card small,.games .card p{color:#b9c6da}
.games .badge{background:rgba(217,164,65,.2);color:var(--gold)}
.games .btn{background:var(--gold);color:var(--deep)}
.note,.section-intro{color:var(--muted);max-width:46rem}
.soon{opacity:.6;filter:grayscale(.6)}
.soon .btn{pointer-events:none;background:#8b95a5}
.soon::after{content:"Coming soon";position:absolute;right:.8rem;bottom:.8rem;font-size:.75rem;background:var(--bg2);color:var(--muted);padding:.1rem .6rem;border-radius:999px}

/* search + filter chips */
#q{width:min(100%,420px);padding:.65rem 1rem;border:1px solid var(--line);border-radius:999px;background:var(--card);color:var(--ink);font:inherit;margin:.4rem .5rem .4rem 0}
.chips{display:flex;flex-wrap:wrap;gap:.4rem;margin:.8rem 0 1.2rem}
.chips button{border:1px solid var(--navy);background:transparent;color:var(--navy);border-radius:999px;padding:.25rem .9rem;font:inherit;font-size:.88rem;cursor:pointer}
.chips button[aria-pressed=true]{background:var(--navy);color:var(--bg)}
html[data-theme=dark] .chips button[aria-pressed=true]{color:var(--deep)}

/* about */
.section-kicker{color:var(--teal2);font-weight:700;font-size:.85rem;letter-spacing:.08em;margin-bottom:.5rem}
.heading-accent{font-style:italic;color:var(--teal2)}
.about-layout{display:grid;grid-template-columns:260px 1fr;gap:2.5rem;align-items:start}
.profile-photo,.photo-placeholder{width:100%;aspect-ratio:4/5;object-fit:cover;border-radius:130px 130px 18px 18px;border:6px solid var(--card);box-shadow:0 16px 40px rgba(10,22,48,.2)}
.photo-placeholder{place-items:center;align-content:center;background:linear-gradient(160deg,var(--navy),var(--teal));color:#fff;text-align:center}
html[data-theme=dark] .photo-placeholder{color:var(--deep)}
.photo-placeholder span{font:700 3.4rem var(--serif)}
.photo-caption{display:block;text-align:center;font-size:.78rem;color:var(--muted);margin-top:.8rem}
.lead{font:1.35rem/1.5 var(--serif);color:var(--navy)}
.about-note{display:flex;gap:.8rem;border-left:4px solid var(--gold);background:var(--bg2);padding:1rem;border-radius:0 12px 12px 0;margin-top:1.2rem}
.note-icon{color:var(--gold);font-size:1.4rem}
.skill-grid{display:flex;flex-wrap:wrap;gap:.6rem;margin-top:2.5rem}
.skill-chip{background:var(--card);border:1px solid var(--line);border-radius:999px;padding:.4rem 1rem;transition:transform .2s,border-color .2s}
.skill-chip:hover{transform:translateY(-3px) rotate(-1deg);border-color:var(--gold)}
.skill-chip span{color:var(--teal);margin-right:.3rem}
.photo-help{color:var(--muted);font-size:.9rem;margin-top:1.5rem}

/* game window */
.modal{display:none;position:fixed;inset:0;z-index:300;background:rgba(5,10,22,.82);place-items:center}
.modal.open{display:grid}
.box{width:min(1000px,95vw);height:88vh;background:var(--card);border-radius:18px;padding:.8rem;display:flex;flex-direction:column;gap:.6rem}
.mhead{display:flex;align-items:center;gap:.8rem}.mhead h3{margin:0;margin-right:auto}
#mb{flex:1;display:flex;flex-direction:column;min-height:0}
#mb iframe{flex:1;border:0;border-radius:10px;background:#fff;width:100%}
#top{position:fixed;right:1.2rem;bottom:1.2rem;z-index:90;opacity:0;pointer-events:none;padding:.6rem .95rem}
#top.show{opacity:1;pointer-events:auto}
.site-footer{display:flex;justify-content:space-between;flex-wrap:wrap;gap:1rem;background:var(--deep);color:#cfd8e6;padding:2rem max(1.25rem,calc((100vw - 1100px)/2))}
.site-footer span{display:block;color:#93a1b8;font-size:.9rem}.site-footer a{color:var(--gold)}
#contact .btn{margin:.4rem .6rem .4rem 0}

/* reveal (only if JS runs) */
.js .rv{opacity:0;transform:translateY(22px);transition:opacity .7s,transform .7s}
.js .rv.in{opacity:1;transform:none}
@media (prefers-reduced-motion:reduce){*{transition:none!important;animation:none!important;scroll-behavior:auto!important}.js .rv{opacity:1;transform:none}}
@media (max-width:860px){
 #burger{display:block}
 #links{display:none;width:100%;flex-direction:column;order:5}#links.open{display:flex}
 .about-layout{grid-template-columns:1fr}.profile-photo-wrap{max-width:260px}
 section{padding:3.5rem 1.25rem}.box{height:92vh}
}

/* PRACTICUM GALLERY */

#gallery.practicum-section {
    width: min(1100px, calc(100% - 48px));
    margin: 70px auto;
    padding: 45px;
    box-sizing: border-box;
    background: #faf6ee;
    border-radius: 24px;
}

#gallery .gallery-heading {
    text-align: center;
    margin-bottom: 35px;
}

#gallery .gallery-kicker {
    color: #3a7d7c;
    font-size: 11px;
    font-weight: 800;
    letter-spacing: 2px;
    text-transform: uppercase;
}

#gallery .gallery-heading h2 {
    color: #14213d;
    font-size: 32px;
    margin: 12px 0;
}

#gallery .gallery-heading p {
    color: #626779;
    line-height: 1.7;
}

#gallery .practicum-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 22px;
}

#gallery .practicum-card {
    overflow: hidden;
    background: white;
    border-radius: 15px;
    box-shadow: 0 5px 18px rgba(20,33,61,.08);
    transition: .3s ease;
}

#gallery .practicum-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 12px 25px rgba(20,33,61,.13);
}

#gallery .practicum-card img {
    width: 100%;
    height: 210px;
    object-fit: cover;
    display: block;
    cursor: pointer;
}

#gallery .practicum-card p {
    padding: 14px;
    margin: 0;
    color: #14213d;
    font-size: 14px;
    font-weight: 700;
}

@media(max-width:760px) {
    #gallery .practicum-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media(max-width:520px) {
    #gallery .practicum-grid {
        grid-template-columns: 1fr;
    }

    #gallery.practicum-section {
        padding: 25px 18px;
    }
}

/* CONTACT SECTION */

#contact.contact-section {
    width: min(1100px, calc(100% - 48px));
    margin: 72px auto;
    padding: 65px 30px;
    text-align: center;
    background: #faf6ee;
    border-radius: 24px;
}

#contact .contact-kicker {
    color: #3a7d7c;
    font-size: 11px;
    font-weight: 800;
    letter-spacing: 2px;
}

#contact h2 {
    color: #14213d;
    font-size: 34px;
    margin: 15px 0 25px;
}

#contact .contact-email {
    display: inline-block;
    color: #3a7d7c;
    font-size: 17px;
    font-weight: 700;
    text-decoration: none;
    padding: 14px 25px;
    border: 1px solid #3a7d7c;
    border-radius: 30px;
    transition: .3s ease;
}

#contact .contact-email:hover {
    background: #14213d;
    color: white;
    transform: translateY(-3px);
}

@media(max-width:520px) {
    #contact.contact-section {
        padding: 45px 18px;
    }

    #contact h2 {
        font-size: 27px;
    }

    #contact .contact-email {
        font-size: 14px;
    }
}