/* ============================================================
   Your English Toolbox — Brand stylesheet
   Palette: WHITE base · NAVY brand · YELLOW accent (CTA)
   Distinct from "Poco a Poco". WCAG AA contrast.
   ============================================================ */
:root{
  /* Brand tokens */
  --navy:        #0c2340;   /* brand: headers, nav, titles, body text */
  --navy-700:    #14315a;
  --navy-600:    #1d3f70;
  --navy-100:    #e8eef6;   /* tints / section bands */
  --yellow:      #ffc629;   /* accent: CTA buttons, highlights */
  --yellow-600:  #e6ae00;   /* hover */
  --yellow-100:  #fff4cc;
  --white:       #ffffff;
  --paper:       #f7f9fc;   /* very light bg band */
  --ink:         #0c2340;   /* primary text (navy on white = AA) */
  --ink-soft:    #41506b;   /* secondary text */
  --line:        #d8e0ec;
  --ok:          #1b7f4b;
  --bad:         #c0392b;

  --radius:      14px;
  --radius-lg:   22px;
  --shadow:      0 6px 22px rgba(12,35,64,.10);
  --shadow-lg:   0 14px 40px rgba(12,35,64,.18);
  --maxw:        1120px;
  --font:        "Segoe UI", system-ui, -apple-system, Roboto, Helvetica, Arial, sans-serif;
}

*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0; font-family:var(--font); color:var(--ink);
  background:var(--white); line-height:1.6; font-size:17px;
}
.wrap{max-width:var(--maxw); margin:0 auto; padding:0 20px}
a{color:var(--navy-600)}
h1,h2,h3{color:var(--navy); line-height:1.18; margin:.2em 0 .5em}
h1{font-size:clamp(2rem,4.5vw,3.1rem); letter-spacing:-.5px}
h2{font-size:clamp(1.5rem,3vw,2.1rem)}
.eyebrow{text-transform:uppercase; letter-spacing:.14em; font-weight:700;
  font-size:.8rem; color:var(--navy-600)}

/* ---------- Top bar ---------- */
.topbar{background:var(--navy); color:#fff}
.topbar .wrap{display:flex; align-items:center; gap:16px; height:64px}
.brand{display:flex; align-items:center; gap:10px; font-weight:800;
  color:#fff; text-decoration:none; font-size:1.15rem}
.brand .mark{width:34px;height:34px;border-radius:9px;
  background:var(--yellow); color:var(--navy); display:grid;place-items:center;
  font-weight:900; font-size:1rem}
.topnav{margin-left:auto; display:flex; gap:22px}
.topnav a{color:#dfe7f2; text-decoration:none; font-weight:600; font-size:.95rem}
.topnav a:hover{color:var(--yellow)}

/* ---------- Ad slots (reserved size, paste-ready) ---------- */
.ad{display:flex; align-items:center; justify-content:center;
  background:repeating-linear-gradient(45deg,#f0f3f8,#f0f3f8 12px,#eef2f8 12px,#eef2f8 24px);
  border:1px dashed #c2cde0; color:#8a98b3; font-size:.78rem; letter-spacing:.06em;
  text-transform:uppercase; border-radius:10px; margin:0 auto; overflow:hidden}
.ad b{color:#6b7894}
.ad--leaderboard{width:728px; max-width:100%; height:90px}
.ad--rect{width:300px; height:250px}
.ad--inarticle{width:100%; max-width:728px; min-height:120px; margin:26px auto}
.ad-band{padding:14px 0; background:var(--paper); border-block:1px solid var(--line)}

/* ---------- Hero ---------- */
.hero{background:linear-gradient(180deg,var(--navy) 0%,var(--navy-700) 100%);
  color:#fff; padding:46px 0 38px; position:relative; overflow:hidden}
.hero h1{color:#fff}
.hero p.lead{font-size:1.15rem; color:#d7e1f0; max-width:60ch}
.hero-cover{float:right; width:230px; max-width:38%; border-radius:14px; margin:0 0 14px 22px;
  box-shadow:var(--shadow-lg); border:3px solid var(--yellow)}
@media (max-width:560px){.hero-cover{float:none; width:100%; max-width:100%; margin:0 0 14px}}
.hero .langs{display:flex; gap:8px; margin:14px 0 6px; flex-wrap:wrap}
.lang-pill{background:rgba(255,255,255,.12); border:1px solid rgba(255,255,255,.25);
  color:#fff; padding:5px 12px; border-radius:999px; font-weight:600; font-size:.85rem}

/* Hero walking-figure animation scene */
.walk-scene{position:relative;width:100%;max-width:640px;height:180px;margin:6px 0 2px}
.walk-scene svg{display:block;overflow:visible}
@media (max-width:640px){.walk-scene{height:140px}}
@media (prefers-reduced-motion:reduce){.walk-scene svg *{animation:none!important}}
.hero-signature-btn{margin:16px 0 2px}

/* Header animation PLACEHOLDER (NOT the Poco a Poco globe/stick) */
.hero-anim{position:relative; height:120px; margin-top:8px}
.hero-anim .toolbox{position:absolute; right:6%; top:50%; transform:translateY(-50%);
  width:96px;height:72px;border-radius:12px;background:var(--yellow);
  box-shadow:var(--shadow-lg); animation:bob 3.2s ease-in-out infinite}
.hero-anim .toolbox::before{content:"";position:absolute;left:50%;top:-14px;
  width:42px;height:18px;border:6px solid var(--yellow);border-bottom:none;
  border-radius:14px 14px 0 0;transform:translateX(-50%)}
.hero-anim .toolbox::after{content:"EN";position:absolute;inset:0;display:grid;
  place-items:center;color:var(--navy);font-weight:900;font-size:1.5rem}
.hero-anim .spark{position:absolute;width:10px;height:10px;border-radius:2px;
  background:#fff;opacity:.0;animation:spark 3.2s ease-in-out infinite}
.hero-anim .spark:nth-child(2){right:16%;top:18%;animation-delay:.2s}
.hero-anim .spark:nth-child(3){right:26%;top:60%;animation-delay:.9s}
.hero-anim .spark:nth-child(4){right:10%;top:70%;animation-delay:1.5s}
@keyframes bob{0%,100%{transform:translateY(-54%)}50%{transform:translateY(-46%)}}
@keyframes spark{0%,100%{opacity:0;transform:scale(.6)}50%{opacity:.9;transform:scale(1)}}
@media (prefers-reduced-motion:reduce){.hero-anim .toolbox,.hero-anim .spark{animation:none}}

/* ---------- Resource index (hero) ---------- */
.res-index{display:grid; grid-template-columns:repeat(auto-fit,minmax(150px,1fr));
  gap:12px; margin-top:22px}
.res-index a{display:flex; flex-direction:column; gap:6px; text-decoration:none;
  background:#fff; color:var(--navy); border-radius:14px; padding:14px 16px;
  font-weight:700; box-shadow:var(--shadow); border:2px solid transparent;
  transition:transform .12s, border-color .12s}
.res-index a:hover{transform:translateY(-3px); border-color:var(--yellow)}
.res-index .ic{font-size:1.6rem}
.res-index small{color:var(--ink-soft); font-weight:600}

/* ---------- Sticky internal nav ---------- */
.subnav{position:sticky; top:0; z-index:40; background:#fff;
  border-bottom:1px solid var(--line); box-shadow:0 2px 10px rgba(12,35,64,.05)}
.subnav .wrap{display:flex; gap:6px; overflow-x:auto; padding:10px 20px}
.subnav a{white-space:nowrap; text-decoration:none; color:var(--navy);
  font-weight:700; font-size:.92rem; padding:8px 14px; border-radius:999px}
.subnav a:hover,.subnav a.active{background:var(--navy-100)}

/* ---------- Sections ---------- */
section.block{padding:40px 0; scroll-margin-top:64px}
section.block.alt{background:var(--paper)}
.sec-head{display:flex; align-items:baseline; gap:12px; flex-wrap:wrap; margin-bottom:6px}
.sec-head .num{background:var(--yellow); color:var(--navy); font-weight:900;
  width:34px;height:34px;border-radius:9px; display:grid;place-items:center}

/* ---------- Two-button material pattern (BIG buttons) ---------- */
.btn-row{display:flex; gap:14px; flex-wrap:wrap; margin:16px 0 4px}
.btn{display:inline-flex; align-items:center; gap:10px; cursor:pointer;
  font-weight:800; font-size:1.02rem; padding:16px 26px; border-radius:14px;
  text-decoration:none; border:2px solid transparent; min-height:56px;
  transition:transform .12s, box-shadow .12s, background .12s}
.btn .ic{font-size:1.25rem}
.btn:active{transform:translateY(1px)}
.btn-primary{background:var(--yellow); color:var(--navy); box-shadow:var(--shadow)}
.btn-primary:hover{background:var(--yellow-600); box-shadow:var(--shadow-lg)}
.btn-secondary{background:#fff; color:var(--navy); border-color:var(--navy)}
.btn-secondary:hover{background:var(--navy); color:#fff}
.btn-home{background:var(--navy-100); color:var(--navy); border-color:transparent; font-size:.9rem; padding:12px 18px; min-height:auto}
.btn-home:hover{background:var(--yellow); color:var(--navy)}
html{scroll-padding-top:64px}
@media (max-width:560px){.btn{width:100%; justify-content:center}}

/* ---------- Vocab table ---------- */
.tbl-scroll{overflow-x:auto; border-radius:14px; box-shadow:var(--shadow)}
table.vocab{border-collapse:collapse; width:100%; background:#fff; min-width:560px}
table.vocab caption{caption-side:top; text-align:left; font-weight:700;
  color:var(--ink-soft); padding:0 0 10px}
table.vocab th,table.vocab td{padding:13px 16px; text-align:left;
  border-bottom:1px solid var(--line)}
table.vocab thead th{background:var(--navy); color:#fff; position:sticky; top:0}
table.vocab tbody tr:nth-child(even){background:var(--navy-100)}
table.vocab td.en{font-weight:700; color:var(--navy)}
td[lang="fa"]{direction:rtl; font-size:1.15rem}

/* ---------- Per-language vocabulary ---------- */
.vblock{margin:18px 0 30px}
.vgrid{display:grid; grid-template-columns:repeat(auto-fill,minmax(320px,1fr)); gap:14px; margin-top:8px}
.vcard{background:#fff; border:1px solid var(--line); border-left:5px solid var(--navy);
  border-radius:12px; padding:14px 16px; box-shadow:var(--shadow)}
.vcard--ff{border-left-color:var(--yellow-600); background:#fffdf5}
.vhead{display:flex; align-items:center; gap:8px; flex-wrap:wrap; margin-bottom:6px}
.vhead .ven{font-weight:800; font-size:1.1rem; color:var(--navy)}
.vhead .vpos{color:#7a8aa6; font-style:italic; font-size:.85rem}
.vff-badge{margin-left:auto; background:var(--yellow); color:var(--navy); font-weight:800;
  font-size:.68rem; padding:3px 8px; border-radius:999px; text-transform:uppercase; letter-spacing:.04em}
.vrow{font-size:.92rem; margin:4px 0; color:var(--ink)}
.vrow .lab, .vrow b{color:var(--navy-600); font-weight:700}
.vnuance{color:var(--ink-soft)}
.vtr{font-weight:700; color:var(--navy)}
.vtr[dir=rtl], .vrow[dir=rtl]{direction:rtl; text-align:right}
.vex .vex-line{color:var(--ink-soft); font-style:italic; margin:2px 0 0 0}
.vff{background:var(--yellow-100); border:1px solid var(--yellow); border-radius:8px;
  padding:8px 10px; margin:2px 0 8px; font-size:.9rem; color:var(--navy)}
.vff strong{color:var(--yellow-600)}

/* ---------- Flashcards (small at rest, DOUBLE when active) ---------- */
.flash-grid{display:grid; grid-template-columns:repeat(auto-fill,minmax(150px,1fr));
  gap:16px; align-items:start}
.flash{perspective:1000px; cursor:pointer; outline:none}
.flash .inner{position:relative; width:100%; height:108px;
  transition:transform .5s, height .25s; transform-style:preserve-3d;
  border-radius:14px; box-shadow:var(--shadow)}
.flash .face{position:absolute; inset:0; backface-visibility:hidden;
  border-radius:14px; display:grid; place-items:center; text-align:center;
  padding:12px; font-weight:800}
.flash .front{background:#fff; color:var(--navy); border:2px solid var(--line)}
.flash .back{background:var(--navy); color:#fff; transform:rotateY(180deg)}
.flash .back small{display:block;color:var(--yellow);font-weight:700;margin-top:6px;font-size:.8rem}
.flash.flipped .inner{transform:rotateY(180deg)}
/* ACTIVE = doubles size (grid span 2 + taller) and lifts above siblings */
.flash.active{grid-column:span 2; z-index:5}
.flash.active .inner{height:230px; box-shadow:var(--shadow-lg)}
.flash.active .face{font-size:1.7rem}
.flash-hint{color:var(--ink-soft); font-size:.9rem; margin:4px 0 14px}

/* ---------- Mini-game (match / multiple choice) ---------- */
.game{background:#fff; border:1px solid var(--line); border-radius:18px;
  padding:22px; box-shadow:var(--shadow)}
.game-score{font-weight:800; color:var(--navy)}
.match-cols{display:grid; grid-template-columns:1fr 1fr; gap:14px; margin-top:14px}
.chip{background:var(--navy-100); border:2px solid transparent; border-radius:12px;
  padding:13px 14px; font-weight:700; color:var(--navy); cursor:pointer; text-align:center;
  user-select:none; transition:.12s}
.chip:hover{border-color:var(--navy-600)}
.chip.sel{background:var(--yellow); border-color:var(--yellow-600)}
.chip.done{background:#eafaf1; color:var(--ok); border-color:var(--ok); cursor:default}
.chip.wrong{background:#fdecea; border-color:var(--bad); color:var(--bad)}
.chip[lang="fa"]{direction:rtl}

/* ---------- Quiz ---------- */
.quiz .q{padding:16px 0; border-bottom:1px solid var(--line)}
.quiz .q p{font-weight:700; color:var(--navy); margin:0 0 10px}
.quiz .opt{display:block; padding:12px 14px; border:2px solid var(--line);
  border-radius:12px; margin:8px 0; cursor:pointer; font-weight:600}
.quiz .opt:hover{border-color:var(--navy-600)}
.quiz .opt.chosen{border-color:var(--yellow-600); background:var(--yellow-100)}
.quiz .opt.correct{border-color:var(--ok); background:#eafaf1}
.quiz .opt.incorrect{border-color:var(--bad); background:#fdecea}
.quiz-result{margin-top:18px; padding:18px; border-radius:14px;
  background:var(--navy); color:#fff; font-weight:700; display:none}
.quiz-result.show{display:block}
.quiz-result .grade{font-size:2rem; color:var(--yellow)}

/* ---------- Signature episodes ---------- */
.sig-band{background:linear-gradient(135deg,var(--navy),var(--navy-700)); color:#fff}
.sig-band h2{color:#fff}
.sig-grid{display:grid; grid-template-columns:repeat(auto-fill,minmax(132px,1fr)); gap:12px; margin-top:18px}
.sig-card{background:rgba(255,255,255,.08); border:1px solid rgba(255,255,255,.2);
  border-radius:14px; padding:16px; text-decoration:none; color:#fff; font-weight:800;
  display:flex; flex-direction:column; gap:4px; transition:.12s}
.sig-card:hover{background:var(--yellow); color:var(--navy); transform:translateY(-3px)}
.sig-card .tag{font-size:.72rem; font-weight:700; color:var(--yellow)}
.sig-card:hover .tag{color:var(--navy)}

/* ---------- Episode cards (home) ---------- */
.ep-grid{display:grid; grid-template-columns:repeat(auto-fill,minmax(240px,1fr)); gap:18px; margin-top:18px}
.ep-card{background:#fff; border:1px solid var(--line); border-radius:18px; overflow:hidden;
  box-shadow:var(--shadow); text-decoration:none; color:var(--navy); transition:.12s; display:block}
.ep-card:hover{transform:translateY(-4px); box-shadow:var(--shadow-lg)}
.ep-card .ep-thumb{aspect-ratio:16/9; background:var(--navy); overflow:hidden}
.ep-card .ep-thumb img{width:100%; height:100%; object-fit:cover; display:block}
.ep-card .top{background:var(--navy); color:#fff; padding:14px 16px; font-weight:800; display:flex; justify-content:space-between}
.ep-card .top .star{color:var(--yellow)}
.ep-card .body{padding:16px}
.ep-card .body p{color:var(--ink-soft); margin:.3em 0 0; font-size:.95rem}

/* ---------- Footer ---------- */
footer.site{background:var(--navy); color:#cdd9ea; padding:30px 0; margin-top:30px}
footer.site a{color:#fff}
footer.site .wrap{display:flex; justify-content:space-between; gap:14px; flex-wrap:wrap}

/* ---------- Responsive ---------- */
@media (max-width:640px){
  body{font-size:16px}
  .topnav{display:none}
  .match-cols{grid-template-columns:1fr 1fr}
  .flash.active{grid-column:span 2}
  .hero-anim{height:96px}
}
.note{font-size:.85rem;color:var(--ink-soft);background:var(--yellow-100);
  border-left:4px solid var(--yellow);padding:10px 14px;border-radius:8px;margin:14px 0}

/* ---------- Inline bilingual transcript ---------- */
.transcript{display:flex; flex-direction:column; gap:14px; margin-top:6px}
.tr-line{background:#fff; border:1px solid var(--line); border-left:6px solid var(--navy);
  border-radius:14px; padding:16px 18px; box-shadow:var(--shadow)}
.tr-source{margin-bottom:10px; padding-bottom:10px; border-bottom:1px dashed var(--line)}
.tr-en{margin:0; font-size:1.12rem; font-weight:800; color:var(--navy); line-height:1.45}
.tr-targets{display:grid; gap:8px}
.tr-tr{margin:0; color:var(--ink-soft); font-weight:500; display:flex; gap:10px; align-items:baseline}
.tr-tr--fa{direction:rtl; text-align:right; font-size:1.12rem}
.tr-text{flex:1}
.tr-lab{display:inline-block; min-width:62px; font-size:.66rem; font-weight:800;
  text-transform:uppercase; letter-spacing:.08em; color:var(--navy-600);
  background:var(--navy-100); border-radius:6px; padding:3px 7px; text-align:center}
.tr-lab--en{background:var(--yellow); color:var(--navy)}
.tr-tr--fa .tr-lab{order:2}

.tr-en--mono{border-left:6px solid var(--navy);background:#fff;border-radius:10px;
  padding:12px 16px;box-shadow:var(--shadow);font-weight:600;color:var(--navy)}
#tbody-en{gap:10px}

/* ---------- Interactive language globe ---------- */
.globe-layout{display:grid; grid-template-columns:minmax(280px,1fr) 280px; gap:24px; align-items:start; margin-top:8px}
.globe-stage{background:radial-gradient(circle at 50% 40%, #14315a 0%, #0c2340 70%);
  border-radius:18px; padding:14px; box-shadow:var(--shadow)}
#globe-viz{width:100%; min-height:300px}
.globe-tip{color:#fff; text-align:center; font-weight:700; min-height:1.4em; margin:6px 0 2px}
.globe-legend{display:flex; flex-direction:column; gap:10px}
.globe-legend .leg{display:flex; align-items:center; gap:10px; flex-wrap:wrap;
  text-decoration:none; background:#fff; border:1px solid var(--line); border-radius:12px;
  padding:10px 12px; box-shadow:var(--shadow); transition:.12s}
.globe-legend .leg:hover{transform:translateX(3px); border-color:var(--yellow)}
.globe-legend .sw{width:18px; height:18px; border-radius:5px; flex:none; box-shadow:0 0 0 1px rgba(12,35,64,.15)}
.globe-legend .leg b{color:var(--navy)}
.globe-legend .leg small{flex-basis:100%; color:var(--ink-soft); font-weight:600; font-size:.78rem}
@media (max-width:760px){.globe-layout{grid-template-columns:1fr}
  .globe-legend{flex-direction:row; flex-wrap:wrap}
  .globe-legend .leg{flex:1 1 45%}}

/* ---------- Featured foundational episode ---------- */
.gfeatured{display:grid; grid-template-columns:1.15fr 1fr; gap:0; text-decoration:none;
  background:#fff; border:1px solid var(--line); border-radius:20px; overflow:hidden;
  box-shadow:var(--shadow-lg); margin-bottom:8px; transition:transform .12s}
.gfeatured:hover{transform:translateY(-4px)}
.gfeatured-cover{position:relative; aspect-ratio:16/9; background:var(--navy)}
.gfeatured-cover img{width:100%; height:100%; object-fit:cover; display:block}
.gfeatured-body{padding:26px 30px; display:flex; flex-direction:column; justify-content:center;
  gap:10px; background:linear-gradient(135deg,#fff, #f7f9fc)}
.gfeatured-body .tag{color:var(--yellow-600); font-weight:800; letter-spacing:.05em; font-size:.72rem}
.gfeatured-body h2{margin:0; font-size:1.7rem; line-height:1.15; color:var(--navy)}
.gfeatured-body .lead{color:var(--ink-soft); margin:0}
.gfeatured-body .btn{align-self:flex-start; margin-top:6px}
@media (max-width:760px){.gfeatured{grid-template-columns:1fr} .gfeatured-body h2{font-size:1.4rem}}

/* ---------- Signature gallery page ---------- */
.gallery{display:grid; grid-template-columns:repeat(auto-fill,minmax(260px,1fr)); gap:22px; margin-top:8px}
.gcard{display:flex; flex-direction:column; text-decoration:none; color:var(--navy);
  background:#fff; border:1px solid var(--line); border-radius:18px; overflow:hidden;
  box-shadow:var(--shadow); transition:transform .12s, box-shadow .12s}
.gcard:hover{transform:translateY(-5px); box-shadow:var(--shadow-lg)}
.gcard:focus-visible{outline:3px solid var(--yellow); outline-offset:2px}
.gcard-cover{position:relative; aspect-ratio:1/1; background:var(--navy)}
.gcard-cover img{width:100%; height:100%; object-fit:cover; display:block}
/* rectangular covers: show the WHOLE image, natural ratio, never cropped */
.gblock{margin-bottom:34px}
.gblock .eyebrow{display:block; margin:0 0 12px}
.gallery--rect{grid-template-columns:repeat(auto-fill,minmax(320px,1fr))}
.gcard-cover--rect{aspect-ratio:16/9; background:var(--navy); display:flex; align-items:center; justify-content:center}
.gcard-cover--rect img{width:100%; height:100%; object-fit:contain; display:block}
.gcard-badge{position:absolute; top:12px; left:12px; background:var(--yellow); color:var(--navy);
  font-weight:900; padding:5px 12px; border-radius:8px; font-size:.85rem}
.cover-flag{position:absolute; bottom:10px; right:10px; background:rgba(12,35,64,.85); color:#fff;
  font-size:.66rem; text-transform:uppercase; letter-spacing:.06em; padding:4px 8px; border-radius:6px}
.gcard-body{padding:16px 18px; display:flex; flex-direction:column; gap:6px}
.gcard-body .tag{font-size:.72rem; font-weight:800; color:var(--yellow-600); letter-spacing:.05em}
.gcard-body strong{font-size:1.12rem; line-height:1.25; color:var(--navy)}
@media (max-width:560px){.gallery{grid-template-columns:1fr 1fr; gap:14px}
  .gcard-body strong{font-size:.98rem}}