/* ============================================================
   theciae.com — design system
   Quiet academic editorial: deep forest ink, warm paper,
   hairline rules, serif display with italic accents.
   ============================================================ */
:root{
  --ink:#12271e;--ink-2:#0c1c15;--muted:#5d6f66;--faint:#8b988f;
  --cream:#f6f3ea;--paper:#fffefa;--wash:#eeeadd;
  --green:#1e6b4e;--green-deep:#14503a;--green-soft:#e3efe6;--green-wash:#f0f6f1;
  --lime:#dcec6a;--gold:#c9a227;
  --line:#dfe3d8;--hairline:#e9ebe1;
  --r-sm:6px;--r-md:10px;--r-lg:14px;
  --shadow-sm:0 1px 2px rgba(18,39,30,.06);
  --shadow-md:0 6px 24px rgba(18,39,30,.10);
  --shadow-lg:0 24px 60px rgba(12,28,21,.18);
  --ease:cubic-bezier(.22,.61,.36,1);
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;background:var(--cream);color:var(--ink);font-family:"DM Sans",sans-serif;-webkit-font-smoothing:antialiased;text-rendering:optimizeLegibility}
::selection{background:var(--lime);color:var(--ink)}
:focus-visible{outline:2px solid var(--green);outline-offset:2px;border-radius:3px}

.site-header,main>section,.site-footer{padding-left:max(5vw,28px);padding-right:max(5vw,28px)}

/* ---------- header ---------- */
.site-header{height:78px;display:flex;align-items:center;justify-content:space-between;gap:18px;border-bottom:1px solid var(--line);background:rgba(250,248,241,.88);backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px);position:sticky;top:0;z-index:50}
.brand{font-family:Fraunces,serif;font-size:1.45rem;font-weight:700;color:var(--ink);text-decoration:none;letter-spacing:-.02em;display:inline-flex;align-items:center}
.brand>span:not(.brand-mark){color:var(--green)}
.brand-mark{display:inline-grid;place-items:center;width:28px;height:28px;margin-right:7px;border-radius:50%;background:var(--lime);font:15px sans-serif;box-shadow:inset 0 0 0 1px rgba(18,39,30,.12)}
.site-header nav{display:flex;gap:30px}
.site-header nav a{position:relative;color:var(--muted);text-decoration:none;font-size:.92rem;font-weight:600;padding:6px 0;transition:color .18s var(--ease)}
.site-header nav a::after{content:"";position:absolute;left:0;right:0;bottom:0;height:2px;background:var(--green);transform:scaleX(0);transform-origin:left;transition:transform .22s var(--ease)}
.site-header nav a:hover{color:var(--ink)}
.site-header nav a:hover::after{transform:scaleX(1)}
.site-header nav a.nav-reels{color:var(--green);font-weight:700}
.site-header nav a.nav-app{color:var(--green);font-weight:700}
.nav-toggle{display:none}
.only-mobile{display:none}

/* ---------- buttons ---------- */
.button{border:0;border-radius:var(--r-sm);padding:13px 20px;font:600 .9rem "DM Sans";cursor:pointer;text-decoration:none;display:inline-flex;align-items:center;gap:12px;transition:transform .18s var(--ease),box-shadow .18s var(--ease),background .18s var(--ease)}
.button:hover{transform:translateY(-1px);box-shadow:var(--shadow-md)}
.button:active{transform:translateY(0);box-shadow:var(--shadow-sm)}
.button-dark{background:var(--ink);color:#fff}
.button-dark:hover{background:var(--ink-2)}
.button-primary{background:var(--green);color:#fff}
.button-primary:hover{background:var(--green-deep)}
.button-light{background:var(--lime);color:var(--ink)}
.button-plain{background:#edf0e9;color:var(--ink)}
.button:disabled{opacity:.55;cursor:default;transform:none;box-shadow:none}
.text-button{border:0;background:none;color:var(--ink);font-weight:700;cursor:pointer;font-size:.92rem}
.text-button span{color:var(--green);font-size:1.25rem}

/* ---------- hero ---------- */
.hero{min-height:580px;background:linear-gradient(180deg,#efecdf 0%,#ecebdf 100%);display:grid;grid-template-columns:1.03fr .97fr;overflow:hidden}
.hero-copy{padding:112px 4vw 72px 0;max-width:700px}
.eyebrow{display:flex;align-items:center;gap:12px;color:var(--green);font-size:.7rem;font-weight:700;letter-spacing:.18em;margin:0 0 18px}
.eyebrow::before{content:"";width:26px;height:1.5px;background:var(--green);flex:none}
.hero h1,h2{font-family:Fraunces,serif;letter-spacing:-.045em}
.hero h1{font-size:clamp(3.1rem,5vw,5.5rem);line-height:1.01;margin:0 0 26px;font-weight:600}
.hero h1 em{color:var(--green);font-style:italic;font-weight:500}
.hero-text{max-width:520px;color:var(--muted);font-size:1.08rem;line-height:1.65}
.hero-actions{display:flex;align-items:center;gap:24px;margin:34px 0 60px}
.stats{display:flex;gap:0}
.stats div{display:grid;gap:4px;padding:0 34px;border-left:1px solid var(--line)}
.stats div:first-child{padding-left:0;border-left:0}
.stats strong{font:600 1.6rem Fraunces,serif;letter-spacing:-.02em}
.stats span{font-size:.76rem;color:var(--muted);letter-spacing:.02em}

.hero-art{background:linear-gradient(160deg,#c4e3d4 0%,#8fc7a8 100%);position:relative;min-height:580px;overflow:hidden}
.sun{width:180px;height:180px;border-radius:50%;background:radial-gradient(circle at 38% 34%,#f2e58a,#e5d45c);position:absolute;right:17%;top:56px;box-shadow:0 0 80px rgba(233,217,101,.55)}
.hill{position:absolute;border-radius:50% 50% 0 0;width:120%;height:260px;bottom:-70px;left:-10%;background:#2f805a}
.hill-two{background:#1f674a;bottom:-130px;left:14%;transform:rotate(-7deg)}
.plant{position:absolute;z-index:2;bottom:77px;left:28%;width:40px;height:180px;border-left:5px solid #1d5b40;transform:rotate(-5deg)}
.plant b{position:absolute;top:-10px;left:-15px;width:34px;height:34px;border-radius:100% 5%;background:#276e4d;transform:rotate(20deg)}
.plant i{position:absolute;width:48px;height:24px;background:#3e9566;border-radius:100% 5%;left:-3px}
.plant i:nth-child(1){top:42px;transform:rotate(-38deg)}
.plant i:nth-child(2){top:82px;left:-38px;transform:rotate(35deg)}
.plant i:nth-child(3){top:118px;transform:rotate(-30deg)}
.plant-small{left:56%;bottom:62px;transform:scale(.7) rotate(5deg)}
.hero-card{position:absolute;z-index:3;top:122px;left:10%;background:rgba(255,253,248,.92);backdrop-filter:blur(6px);padding:21px 24px;width:225px;border-radius:var(--r-md);box-shadow:var(--shadow-lg);border:1px solid rgba(255,255,255,.6)}
.hero-card span{font-size:.62rem;letter-spacing:.14em;font-weight:700;color:var(--green)}
.hero-card strong{font:600 1.35rem/1.18 Fraunces,serif;display:block;margin:8px 0;letter-spacing:-.02em}
.hero-card small{font-size:.7rem;color:var(--muted);line-height:1.45;display:block}

/* ---------- sections ---------- */
.section{padding-top:108px;padding-bottom:108px}
.section-heading{display:flex;align-items:end;justify-content:space-between;gap:30px;margin-bottom:40px}
.section-heading h2,.quiz-section h2,.cta h2{font-size:clamp(2rem,3.4vw,3.4rem);margin:0;font-weight:600}
.section-heading>p{max-width:280px;color:var(--muted);line-height:1.55;font-size:.95rem}

/* ---------- search + pills ---------- */
.filters{display:flex;gap:10px;margin-bottom:22px}
.filters select,.search{height:50px;border:1px solid var(--line);border-radius:var(--r-md);background:var(--paper);padding:0 15px;color:var(--ink);font:500 .88rem "DM Sans";box-shadow:var(--shadow-sm)}
.search{display:flex;align-items:center;gap:9px;flex:1;max-width:520px;transition:border-color .18s var(--ease),box-shadow .18s var(--ease)}
.search:focus-within{border-color:var(--green);box-shadow:0 0 0 3px var(--green-soft)}
.search span{font-size:1.35rem;color:var(--faint)}
.search input{border:0;outline:0;background:transparent;width:100%;font:inherit;color:var(--ink)}
.prog-tabs{display:inline-flex;background:var(--wash);border:1px solid var(--line);border-radius:999px;padding:4px;gap:4px;margin-bottom:22px}
.prog-tab{border:0;background:none;border-radius:999px;padding:10px 20px;font:700 .85rem "DM Sans";color:var(--muted);cursor:pointer;transition:all .18s var(--ease)}
.prog-tab:hover{color:var(--ink)}
.prog-tab.active{background:var(--ink);color:#fff;box-shadow:var(--shadow-sm)}
.disc-tabs{display:flex;flex-wrap:wrap;gap:26px;margin:-6px 0 22px;border-bottom:1px solid var(--line)}
.disc-tab{border:0;background:none;padding:10px 2px 12px;font:700 .92rem "DM Sans";color:var(--muted);cursor:pointer;position:relative;transition:color .18s var(--ease)}
.disc-tab:hover{color:var(--ink)}
.disc-tab.active{color:var(--green)}
.disc-tab.active::after{content:"";position:absolute;left:0;right:0;bottom:-1px;height:2px;background:var(--green)}
.sem-pills{display:flex;flex-wrap:wrap;gap:8px;margin-bottom:30px}
.pill{border:1px solid var(--line);background:var(--paper);color:var(--muted);border-radius:999px;padding:9px 16px;font:600 .8rem "DM Sans";cursor:pointer;transition:all .16s var(--ease)}
.pill:hover{border-color:var(--green);color:var(--green);transform:translateY(-1px)}
.pill.active{background:var(--green);border-color:var(--green);color:#fff;box-shadow:0 4px 14px rgba(30,107,78,.28)}

/* ---------- course cards ---------- */
.resource-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
.resource-card{background:var(--paper);border:1px solid var(--line);padding:22px;border-radius:var(--r-lg);min-height:190px;display:flex;flex-direction:column;box-shadow:var(--shadow-sm)}
.course-card{cursor:pointer;transition:transform .22s var(--ease),box-shadow .22s var(--ease),border-color .22s var(--ease)}
.course-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-md);border-color:#c8d2c3}
.card-top{display:flex;justify-content:space-between;align-items:start}
.card-top-right{display:flex;align-items:center;gap:6px}
.file-icon{width:42px;height:48px;background:linear-gradient(150deg,var(--green-soft),#d3e8d9);border-radius:var(--r-sm);color:var(--green-deep);display:grid;place-items:center;font-size:.7rem;font-weight:700;letter-spacing:.04em;border:1px solid #cfe2d4}
.tag{background:#eff2e7;border-radius:999px;padding:5px 10px;font-size:.65rem;font-weight:700;color:#5d6c62;letter-spacing:.03em}
.card-reel{display:grid;place-items:center;width:26px;height:26px;border-radius:50%;background:var(--green-soft);color:var(--green-deep);font-size:.62rem;text-decoration:none;transition:all .15s var(--ease)}
.card-reel:hover{background:var(--green);color:#fff;transform:scale(1.1)}
.star{border:0;background:none;font-size:1.15rem;line-height:1;color:#cdd3c8;cursor:pointer;padding:2px;transition:transform .15s var(--ease),color .15s var(--ease)}
.star:hover{color:var(--gold);transform:scale(1.18)}
.star.on{color:var(--gold)}
.resource-card h3{font:600 1.02rem/1.35 "DM Sans";margin:18px 0 7px;letter-spacing:-.01em}
.resource-card p{font-size:.75rem;color:var(--muted);margin:0}
.mini-progress{height:4px;background:var(--wash);border-radius:999px;margin-top:14px;overflow:hidden}
.mini-progress i{display:block;height:100%;background:linear-gradient(90deg,var(--green),#2f8a63);transition:width .4s var(--ease)}
.card-bottom{margin-top:auto;padding-top:15px;border-top:1px solid var(--hairline);display:flex;justify-content:space-between;align-items:center;font-size:.73rem;color:var(--muted)}
.card-bottom a{font-weight:700;color:var(--green);text-decoration:none}
.card-bottom a:hover{text-decoration:underline}
.has-files{color:var(--green);font-weight:700}
.empty-state{text-align:center;color:var(--muted);padding:26px;grid-column:1/-1}

/* ---------- quiz ---------- */
.quiz-section{background:radial-gradient(1200px 500px at 85% -10%,#1d4534 0%,transparent 60%),linear-gradient(180deg,#132b21,#0f231b);color:#fff;display:grid;grid-template-columns:.82fr 1fr;gap:9vw;align-items:center}
.quiz-section .eyebrow{color:var(--lime)}
.quiz-section .eyebrow::before{background:var(--lime)}
.quiz-section>div>p:not(.eyebrow){color:#b9cec3;max-width:390px;line-height:1.65}
.quiz-list{margin-top:34px;max-width:440px}
.quiz-option{display:grid;grid-template-columns:33px 1fr auto;gap:10px;align-items:center;width:100%;padding:15px 6px;background:none;color:#d8e6dd;border:0;border-bottom:1px solid #2c4a3c;text-align:left;font:600 .9rem "DM Sans";cursor:pointer;transition:color .15s var(--ease),padding-left .18s var(--ease)}
.quiz-option:hover{color:#fff;padding-left:12px}
.quiz-option span{color:#6f9583;font-family:Fraunces,serif}
.quiz-option b{font-size:.68rem;font-weight:500;color:#84a494}
.quiz-option.active{color:var(--lime)}
.quiz-card{background:var(--paper);color:var(--ink);border-radius:var(--r-lg);padding:32px;box-shadow:var(--shadow-lg)}
.quiz-progress{display:flex;justify-content:space-between;color:var(--muted);font-size:.68rem;font-weight:700;letter-spacing:.1em}
.progress{height:4px;background:var(--wash);margin:14px 0 28px;border-radius:999px;overflow:hidden}
.progress i{display:block;height:100%;width:20%;background:linear-gradient(90deg,var(--green),#2f8a63);transition:width .3s var(--ease)}
.quiz-card h3{font:600 1.45rem/1.35 Fraunces,serif;margin:0 0 22px;letter-spacing:-.02em}
.answers{display:grid;gap:9px;margin-bottom:16px}
.answer{padding:13px 14px;border:1px solid var(--line);background:#fff;border-radius:var(--r-sm);text-align:left;font:500 .85rem "DM Sans";cursor:pointer;transition:all .15s var(--ease)}
.answer:hover{border-color:var(--green);background:var(--green-wash)}
.answer.selected{border-color:var(--green);background:var(--green-soft);box-shadow:0 0 0 1px var(--green)}
.answer.correct{background:#dff0dc;border-color:#5d9b62}
.answer.wrong{background:#fae3df;border-color:#bf7164}
.quiz-feedback{min-height:18px;margin:0 0 15px;font-size:.78rem;font-weight:600}

/* ---------- cta ---------- */
.cta{padding-top:76px;padding-bottom:76px;background:var(--lime);display:flex;justify-content:space-between;align-items:center;gap:30px}
.cta .eyebrow{color:var(--green-deep)}
.cta .eyebrow::before{background:var(--green-deep)}
.cta p:not(.eyebrow){max-width:520px;line-height:1.6;margin-bottom:0;color:#38513f}

/* ---------- footer ---------- */
.site-footer{background:var(--ink-2);color:#c4d2ca;padding-top:72px}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1.2fr;gap:44px;padding-bottom:52px;border-bottom:1px solid #23392f}
.brand-light{color:#fff}
.brand-light>span:not(.brand-mark){color:#8fc7a8}
.footer-brand p{font-size:.85rem;line-height:1.65;color:#8fa79b;max-width:330px;margin:16px 0 0}
.footer-col{display:grid;gap:11px;align-content:start}
.footer-col h4{margin:0 0 6px;font:700 .72rem "DM Sans";letter-spacing:.14em;text-transform:uppercase;color:#7d9a8b}
.footer-col a{color:#c4d2ca;text-decoration:none;font-size:.88rem;transition:color .15s var(--ease)}
.footer-col a:hover{color:var(--lime)}
.footer-fine{font-size:.78rem;line-height:1.6;color:#8fa79b;margin:0}
.footer-bottom{display:flex;justify-content:space-between;gap:14px;flex-wrap:wrap;padding:22px 0 26px;font-size:.75rem;color:#7d9a8b}

/* ---------- dialogs ---------- */
dialog{border:0;border-radius:var(--r-lg);padding:0;width:min(620px,92vw);color:var(--ink);box-shadow:var(--shadow-lg)}
dialog::backdrop{background:rgba(12,28,21,.66);backdrop-filter:blur(3px)}
dialog form{padding:32px}
.modal-heading{display:flex;justify-content:space-between;align-items:start;gap:14px}
.modal-heading h2{margin:0;font:600 1.9rem Fraunces,serif;letter-spacing:-.03em}
.close{background:none;border:0;font-size:2rem;line-height:.8;cursor:pointer;color:var(--faint);transition:color .15s var(--ease)}
.close:hover{color:var(--ink)}
.modal-note{font-size:.82rem;line-height:1.55;color:var(--muted);border-left:3px solid var(--lime);padding-left:12px;margin:20px 0}
.form-grid{display:grid;grid-template-columns:1fr 1fr;gap:14px}
.form-grid label{display:grid;gap:7px;font-size:.76rem;font-weight:700}
.form-grid input,.form-grid select{padding:12px;border:1px solid var(--line);border-radius:var(--r-sm);font:400 .88rem "DM Sans";background:#fff}
.form-grid input:focus,.form-grid select:focus{outline:0;border-color:var(--green);box-shadow:0 0 0 3px var(--green-soft)}
.form-grid small{font-size:.65rem;font-weight:400;color:var(--muted)}
.wide{grid-column:1/-1}
.form-actions{display:flex;justify-content:end;gap:10px;margin-top:24px}

/* ---------- lecture modal ---------- */
.lecture-modal{padding:32px;max-height:78vh;overflow:auto}
.lecture-modal .modal-heading h2{font-size:1.55rem;line-height:1.22}
#lecProg{margin-top:16px}
#lecProg .progress{margin:0 0 8px}
#lecProg span{font-size:.72rem;font-weight:700;color:var(--green)}
.syl-lectures{margin:20px 0 0;padding:0;display:grid}
.syl-lectures li{list-style:none;position:relative;padding:11px 42px 11px 44px;font-size:.86rem;line-height:1.5;color:#3c4f46;border-top:1px dashed var(--hairline)}
.lec-n{position:absolute;left:4px;top:11px;font:600 .7rem Fraunces,serif;color:var(--green)}
.lec-check{position:absolute;right:2px;top:10px}
.lec-check input{width:17px;height:17px;accent-color:var(--green);cursor:pointer}
.syl-lectures li.done{color:#9aa79f}
.syl-lectures li.done .lec-n{color:#b3bfb6}
.syl-note{margin:20px 0 0;font-size:.85rem;color:var(--muted)}
.syl-files{display:flex;flex-wrap:wrap;align-items:center;gap:8px;margin-top:8px}
.syl-files a{display:inline-flex;align-items:center;gap:6px;background:var(--green-soft);color:var(--green-deep);text-decoration:none;font-size:.72rem;font-weight:700;border-radius:999px;padding:7px 13px;transition:background .15s var(--ease)}
.syl-files a:hover{background:#d2e8d8}
.file-del{border:0;background:none;font-size:.85rem;cursor:pointer;opacity:.4;padding:2px;transition:opacity .15s var(--ease),transform .15s var(--ease)}
.file-del:hover{opacity:1;transform:scale(1.12)}
.file-del:disabled{opacity:.2;cursor:default}
.syl-hint{margin:22px 0 0;padding-top:14px;border-top:1px solid var(--hairline);font-size:.72rem;color:var(--faint)}

/* ---------- pdf viewer ---------- */
#pdfDialog{width:min(940px,95vw);max-width:none}
.pdf-modal{padding:18px;display:flex;flex-direction:column;gap:12px;height:84vh}
.pdf-modal .modal-heading{align-items:center}
.pdf-actions{display:flex;align-items:center;gap:12px}
.pdf-modal iframe{flex:1;width:100%;border:1px solid var(--line);border-radius:var(--r-sm);background:#fff}


/* ---------- streaks, toast ---------- */
.streak-strip{display:flex;flex-wrap:wrap;align-items:center;gap:6px;background:var(--paper);border:1px solid var(--line);border-radius:999px;padding:10px 18px;margin-bottom:22px;font-size:.82rem;color:var(--muted);width:fit-content;box-shadow:var(--shadow-sm)}
.streak-strip b{color:var(--ink)}
.badge-row span{font-size:1rem;margin-left:2px;cursor:default}
.toast{position:fixed;left:50%;bottom:26px;transform:translate(-50%,12px);background:var(--ink-2);color:#fff;padding:13px 22px;border-radius:999px;font:600 .85rem "DM Sans";box-shadow:var(--shadow-lg);z-index:100;opacity:0;transition:opacity .3s var(--ease),transform .3s var(--ease);pointer-events:none}
.toast.show{opacity:1;transform:translate(-50%,0)}

/* ---------- tools ---------- */
.tools-section{background:var(--wash)}
.tools-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
.tool-card{background:var(--paper);border:1px solid var(--line);border-radius:var(--r-lg);padding:24px;box-shadow:var(--shadow-sm)}
.tool-card h3{font:600 1.05rem "DM Sans";margin:0 0 4px}
.tool-card>p{font-size:.78rem;color:var(--muted);margin:0 0 16px}
.tool-card label{display:grid;gap:5px;font-size:.72rem;font-weight:700;color:var(--muted);margin-bottom:10px}
.tool-card input{padding:10px 12px;border:1px solid var(--line);border-radius:var(--r-sm);font:500 .9rem "DM Sans";background:#fff;color:var(--ink)}
.tool-card input:focus{outline:0;border-color:var(--green);box-shadow:0 0 0 3px var(--green-soft)}
.tool-result{margin-top:14px;padding:13px 15px;background:var(--green-wash);border:1px solid #d3e4d8;border-radius:var(--r-sm);font-size:.88rem;color:var(--green-deep)}
.tool-result strong{font-size:1.05rem}

/* ---------- flashcards ---------- */
.flash-modal{width:100%}
.flashcard{perspective:1200px;cursor:pointer;margin-top:20px}
.flash-inner{position:relative;height:250px;transform-style:preserve-3d;transition:transform .5s var(--ease)}
.flashcard.flipped .flash-inner{transform:rotateY(180deg)}
.flash-front,.flash-back{position:absolute;inset:0;backface-visibility:hidden;-webkit-backface-visibility:hidden;display:grid;place-items:center;text-align:center;padding:30px;border:1px solid var(--line);border-radius:var(--r-lg);background:var(--paper);box-shadow:var(--shadow-sm);font:600 1.15rem/1.5 Fraunces,serif;letter-spacing:-.01em}
.flash-back{transform:rotateY(180deg);background:var(--green-wash);border-color:#cfe2d4;font:500 .95rem/1.6 "DM Sans"}
.flash-nav{display:flex;align-items:center;justify-content:space-between;gap:12px;margin-top:18px}
.flash-nav span{font-size:.8rem;font-weight:700;color:var(--muted)}

/* ---------- upload extras ---------- */
.practice-row{display:flex;gap:10px;flex-wrap:wrap;margin-top:20px}
#dropZone.drag{outline:2px dashed var(--green);outline-offset:4px;border-radius:var(--r-sm)}
.upload-list{display:grid;gap:6px;margin-top:14px}
.up-item{display:flex;justify-content:space-between;gap:12px;font-size:.78rem;padding:8px 12px;background:var(--green-wash);border-radius:var(--r-sm)}
.up-item b{font-weight:700;color:var(--green-deep);white-space:nowrap}

/* ---------- study reels ---------- */
.reels-body{background:radial-gradient(1200px 600px at 80% -10%,#1d4534 0%,transparent 55%),linear-gradient(180deg,#12281e,#0c1c15);height:100vh;height:100dvh;overflow:hidden}
.reels-top{position:fixed;top:0;left:0;right:0;z-index:20;display:flex;justify-content:space-between;align-items:center;padding:14px max(4vw,16px);background:linear-gradient(180deg,rgba(12,28,21,.85),transparent)}
.reels-top .brand{font-size:1.2rem}
.reels-top-right{display:flex;align-items:center;gap:9px}
.reels-streak{font:700 .85rem "DM Sans";color:var(--lime)}
.reels-chip{display:inline-flex;align-items:center;gap:6px;border:1px solid #33523f;background:rgba(255,255,255,.06);color:#c4d2ca;border-radius:999px;padding:8px 14px;font:700 .78rem "DM Sans";cursor:pointer;text-decoration:none;transition:all .15s var(--ease)}
.reels-chip:hover{color:#fff;border-color:#4c7a5f}
.reels-chip.on{background:var(--lime);border-color:var(--lime);color:var(--ink)}
.reels-feed{height:100vh;height:100dvh;overflow-y:auto;scroll-snap-type:y mandatory;overscroll-behavior:contain;scrollbar-width:none}
.reels-feed::-webkit-scrollbar{display:none}
.reel{height:100vh;height:100dvh;scroll-snap-align:start;scroll-snap-stop:always;display:grid;place-items:center;position:relative;padding:76px max(5vw,20px) 60px}
.reel-card{width:min(500px,100%);position:relative}
.reel-eyebrow{font:700 .68rem "DM Sans";letter-spacing:.16em;color:#8fc7a8;margin:0 0 18px}
.reel-topic h2{font:600 clamp(1.5rem,4.5vw,2.2rem)/1.3 Fraunces,serif;letter-spacing:-.02em;color:#fff;margin:0}
.reel-sub{color:#7d9a8b;font-size:.85rem;margin-top:22px}
.reel-mcq h2{font:600 clamp(1.15rem,3.4vw,1.55rem)/1.4 Fraunces,serif;color:#fff;margin:0 0 22px}
.reel-opts{display:grid;gap:10px}
.reel-opt{padding:14px 16px;border:1px solid #33523f;background:rgba(255,255,255,.05);color:#dce9e2;border-radius:var(--r-md);text-align:left;font:500 .9rem "DM Sans";cursor:pointer;transition:all .15s var(--ease)}
.reel-opt:hover{border-color:#5b8a6d;background:rgba(255,255,255,.09)}
.reel-opt.correct{background:#1e6b4e;border-color:#2f8a63;color:#fff}
.reel-opt.wrong{background:#7a2f27;border-color:#a04a40;color:#fff}
.reel-fb{min-height:20px;margin:14px 0 0;font:600 .85rem "DM Sans";color:var(--lime)}
.reel-flash{cursor:pointer;perspective:1200px}
.reel-flash-inner{position:relative;height:300px;transform-style:preserve-3d;transition:transform .5s var(--ease)}
.reel-flash.flipped .reel-flash-inner{transform:rotateY(180deg)}
.rf-front,.rf-back{position:absolute;inset:0;backface-visibility:hidden;-webkit-backface-visibility:hidden;display:grid;place-items:center;text-align:center;padding:30px;border-radius:var(--r-lg);border:1px solid #33523f}
.rf-front{background:rgba(255,255,255,.06)}
.rf-front h2{font:600 clamp(1.4rem,4vw,2rem)/1.3 Fraunces,serif;color:#fff;margin:0}
.rf-back{background:var(--lime);transform:rotateY(180deg)}
.rf-back p{font:500 .98rem/1.6 "DM Sans";color:var(--ink);margin:0}
.reel-rail{position:absolute;right:max(3vw,12px);bottom:90px;display:grid;gap:14px;z-index:5}
.rail-btn{width:50px;height:50px;border-radius:50%;border:1px solid #33523f;background:rgba(255,255,255,.07);color:#c4d2ca;font-size:1.25rem;cursor:pointer;transition:all .15s var(--ease);display:grid;place-items:center}
.rail-btn:hover{transform:scale(1.08);color:#fff}
.rail-btn.save.on{background:#e0506a;border-color:#e0506a;color:#fff}
.reels-hint{position:fixed;bottom:22px;left:50%;transform:translateX(-50%);color:#7d9a8b;font:600 .78rem "DM Sans";z-index:15;transition:opacity .4s;pointer-events:none}
.reel-emoji{display:block;font-size:2.2rem;margin-bottom:16px}
.reel-sub a{color:#8fc7a8;text-decoration:none;font-weight:700}
.reel-sub a:hover{color:var(--lime)}
.reel-cta{display:inline-flex;background:var(--lime);color:var(--ink)!important;border-radius:999px;padding:9px 16px;font-weight:700}
.reel-formula h2{font:600 clamp(1.3rem,3.6vw,1.8rem)/1.3 Fraunces,serif;color:#fff;margin:0 0 18px}
.formula-box{background:rgba(255,255,255,.07);border:1px solid #33523f;border-radius:var(--r-md);padding:18px 20px;font:600 clamp(1rem,3vw,1.3rem)/1.5 "DM Sans";color:var(--lime);letter-spacing:.01em;margin-bottom:16px;overflow-x:auto}
.reel-milestone{text-align:center}
.reel-milestone h2{font:600 clamp(1.2rem,3.4vw,1.6rem)/1.6 Fraunces,serif;color:#fff;margin:0}
.reel-milestone strong{color:var(--lime)}
.reel-review{display:inline-block;background:#e0506a;color:#fff;border-radius:4px;padding:2px 7px;margin-right:8px;font-size:.6rem;letter-spacing:.1em}
@media(max-width:750px){.reel-rail{bottom:110px}}
@media(prefers-reduced-motion:reduce){.reel-flash-inner{transition:none}.reels-feed{scroll-behavior:auto}}

/* ---------- motion ---------- */
.fade-up{opacity:0;transform:translateY(18px);transition:opacity .6s var(--ease),transform .6s var(--ease)}
.fade-up.in{opacity:1;transform:none}
@media(prefers-reduced-motion:reduce){
  html{scroll-behavior:auto}
  *,*::before,*::after{transition:none!important;animation:none!important}
  .fade-up{opacity:1;transform:none}
}

/* ---------- responsive ---------- */
@media(max-width:980px){
  .resource-grid{grid-template-columns:repeat(2,1fr)}
  .tools-grid{grid-template-columns:1fr}
  .footer-grid{grid-template-columns:1fr 1fr}
}
@media(max-width:750px){
  .site-header{height:62px}
  .site-header .button-dark{display:none}
  .nav-toggle{display:inline-grid;place-items:center;width:44px;height:44px;border:1px solid var(--line);border-radius:10px;background:var(--paper);color:var(--ink);font-size:1.25rem;cursor:pointer}
  .site-header nav{position:absolute;top:64px;right:12px;left:12px;flex-direction:column;gap:2px;background:#faf8f1;border:1px solid var(--line);border-radius:14px;box-shadow:var(--shadow-lg);padding:8px;display:none;z-index:60}
  .site-header.nav-open nav{display:flex}
  .site-header nav a{padding:13px 14px;border-radius:9px;font-size:.95rem}
  .site-header nav a:hover{background:var(--green-wash)}
  .site-header nav a::after{display:none}
  .only-mobile{display:block;border-top:1px solid var(--hairline);margin-top:4px;color:var(--green);font-weight:700}
  .hero,.quiz-section{grid-template-columns:1fr}
  .hero-copy{padding:64px 0 40px}
  .hero-art{min-height:330px}
  .hero-card{top:45px}
  .sun{width:115px;height:115px;top:32px}
  .stats div{padding:0 20px}
  .section{padding-top:72px;padding-bottom:72px}
  .section-heading,.cta{align-items:start;flex-direction:column}
  .filters{flex-wrap:wrap}
  .search{flex-basis:100%}
  .resource-grid{grid-template-columns:1fr}
  .sem-pills{gap:6px}
  .pill{padding:8px 12px;font-size:.74rem}
  .quiz-section{gap:45px}
  .cta{padding-top:54px;padding-bottom:54px}
  .footer-grid{grid-template-columns:1fr;gap:30px}
  .form-grid{grid-template-columns:1fr}
}

/* ---------- finder ("What are you looking for?") + fresh strip ---------- */
.finder{background:var(--paper);border-bottom:1px solid var(--line);padding-top:30px;padding-bottom:30px}
.finder-inner{display:flex;align-items:center;gap:22px;flex-wrap:wrap}
.finder-q{margin:0;font:600 1.05rem Fraunces,serif;letter-spacing:-.02em;white-space:nowrap}
.finder-chips{display:flex;flex-wrap:wrap;gap:8px}
.find-chip{border:1px solid var(--line);background:var(--cream);color:var(--muted);border-radius:999px;padding:9px 15px;font:600 .8rem "DM Sans";cursor:pointer;text-decoration:none;transition:all .15s var(--ease)}
.find-chip:hover{border-color:var(--green);color:var(--green);transform:translateY(-1px)}
.chip-net{background:var(--green-soft);color:var(--green-deep);border-color:#cfe2d4}
.chip-go{background:var(--ink);color:#fff;border-color:var(--ink)}
.chip-go:hover{background:var(--ink-2);color:var(--lime);border-color:var(--ink-2)}
.fresh-strip{margin-top:22px;padding-top:18px;border-top:1px solid var(--hairline)}
.fresh-label{margin:0 0 12px;font-size:.68rem;font-weight:700;letter-spacing:.16em;color:var(--green)}
.fresh-row{display:flex;gap:12px;overflow-x:auto;padding-bottom:6px;scrollbar-width:thin}
.fresh-item{flex:none;display:flex;align-items:center;gap:11px;background:var(--cream);border:1px solid var(--line);border-radius:var(--r-md);padding:11px 15px;max-width:320px;text-decoration:none;transition:all .15s var(--ease)}
.fresh-item:hover{border-color:var(--green);box-shadow:var(--shadow-md);transform:translateY(-1px)}
.fresh-ico{flex:none;display:grid;place-items:center;width:34px;height:38px;background:var(--green-soft);border:1px solid #cfe2d4;border-radius:6px;font-size:.95rem}
.fresh-body{min-width:0;display:grid;gap:2px}
.fresh-body b{font:600 .82rem "DM Sans";color:var(--ink);white-space:nowrap;overflow:hidden;text-overflow:ellipsis;max-width:230px}
.fresh-body span{font-size:.7rem;color:var(--muted)}
@media(max-width:750px){
  .finder{padding-top:22px;padding-bottom:22px}
  .finder-inner{gap:12px}
  .finder-q{width:100%}
  .find-chip{padding:8px 12px;font-size:.74rem}
}
/* ---------- static course pages (SEO) ---------- */
.cp-body{background:var(--cream)}
.cp-header{height:66px;display:flex;align-items:center;justify-content:space-between;padding:0 max(5vw,22px);border-bottom:1px solid var(--line);background:rgba(250,248,241,.94);position:sticky;top:0;z-index:5}
.cp-back{color:var(--green);font-weight:700;font-size:.88rem;text-decoration:none}
.cp{max-width:820px;margin:0 auto;padding:36px max(5vw,22px) 70px}
.cp-crumb{font-size:.78rem;color:var(--muted);margin:0 0 20px}
.cp-crumb a{color:var(--muted);text-decoration:none}
.cp-crumb a:hover{color:var(--green)}
.cp-eyebrow{font-size:.7rem;font-weight:700;letter-spacing:.16em;color:var(--green);margin:0 0 12px;text-transform:uppercase}
.cp h1{font:600 clamp(1.9rem,4.4vw,3rem)/1.12 Fraunces,serif;letter-spacing:-.03em;margin:0 0 12px}
.cp-meta{color:var(--muted);font-size:1rem;margin:0 0 26px}
.cp-code{display:inline-block;background:#eff2e7;color:#5d6c62;border-radius:999px;padding:4px 11px;font:700 .72rem "DM Sans";letter-spacing:.03em;margin-right:8px}
.cp-actions{display:flex;flex-wrap:wrap;gap:12px;margin-bottom:40px}
.cp h2{font:600 1.35rem Fraunces,serif;letter-spacing:-.02em;margin:0 0 16px}
.cp-topics{list-style:none;margin:0;padding:0;display:grid;border:1px solid var(--line);border-radius:var(--r-lg);background:var(--paper);overflow:hidden}
.cp-topics li{display:flex;gap:14px;align-items:flex-start;padding:13px 18px;border-top:1px solid var(--hairline);font-size:.95rem;line-height:1.5;color:#3c4f46}
.cp-topics li:first-child{border-top:0}
.cp-n{flex:none;font:700 .72rem Fraunces,serif;color:var(--green);padding-top:2px}
.cp-note{margin:26px 0 0;font-size:.9rem;color:var(--muted);line-height:1.6;border-left:3px solid var(--lime);padding-left:12px}
.cp-note a{color:var(--green);font-weight:600}
.cp-footer{border-top:1px solid var(--line);padding:26px max(5vw,22px);text-align:center;font-size:.82rem;color:var(--muted)}
.cp-footer a{color:var(--green);text-decoration:none;font-weight:600}
.cp-footer p{margin:10px 0 0;font-size:.75rem;color:var(--faint)}
.cp-group{margin-top:34px}
.cp-group h2{margin-bottom:14px;padding-bottom:8px;border-bottom:1px solid var(--line)}
.cp-dir{display:grid;grid-template-columns:repeat(auto-fill,minmax(260px,1fr));gap:8px}
.cp-dir a{display:block;padding:11px 14px;border:1px solid var(--line);border-radius:var(--r-md);background:var(--paper);text-decoration:none;color:var(--ink);font-size:.88rem;line-height:1.35;transition:all .15s var(--ease)}
.cp-dir a:hover{border-color:var(--green);box-shadow:var(--shadow-sm);transform:translateY(-1px)}