/* ==========================================================
   Biyoloji Rehberi — Yeni Tasarım (kanal kimliği)
   9 mavi • 10 yeşil • 11 kırmızı • lacivert + sarı vurgu
   ========================================================== */
:root {
    --navy: #0b2341;
    --navy-2: #12325a;
    --navy-3: #1b4274;
    --yellow: #ffd640;
    --ink: #0f1d2e;
    --muted: #5b6b80;
    --line: #e3e9f1;
    --bg: #f4f7fb;
    --white: #ffffff;

    --g9: #1c64d6;  --g9-dark: #0a245a;  --g9-light: #d6e8ff;
    --g10: #1c8c40; --g10-dark: #0a4024; --g10-light: #d6f2de;
    --g11: #ce242e; --g11-dark: #680e16; --g11-light: #ffdede;
    --g12: #8a94a6; --g12-dark: #3c4656; --g12-light: #e9edf3;

    --radius: 18px;
    --shadow: 0 10px 30px rgba(11, 35, 65, .10);
    --shadow-lg: 0 18px 50px rgba(11, 35, 65, .18);
    --head: 'Barlow Condensed', 'Bahnschrift', 'Arial Narrow', sans-serif;
    --body: 'Barlow', 'Segoe UI', sans-serif;
}

* { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body { font-family: var(--body); color: var(--ink); background: var(--bg); line-height: 1.55; }
a { color: inherit; text-decoration: none; }
img { max-width: 100%; display: block; }
.wrap { width: min(1180px, 100% - 32px); margin-inline: auto; }

/* ---------- HEADER ---------- */
.nh-header {
    position: sticky; top: 0; z-index: 50;
    background: var(--navy);
    box-shadow: 0 2px 0 rgba(255, 255, 255, .04), 0 6px 20px rgba(0, 0, 0, .15);
}
.nh-header .wrap { display: flex; align-items: center; gap: 24px; height: 68px; }
.nh-brand { display: flex; align-items: center; gap: 10px; color: var(--white); }
.nh-brand img { width: 42px; height: 42px; border-radius: 50%; background: #fff; object-fit: cover; }
.nh-brand span { font-family: var(--head); font-weight: 700; font-size: 1.45rem; letter-spacing: .5px; }
.nh-brand b { color: var(--yellow); font-weight: 700; }
.nh-nav { display: flex; gap: 6px; margin-left: auto; }
.nh-nav a {
    font-family: var(--head); font-weight: 600; font-size: 1.05rem; letter-spacing: .4px;
    color: #c9d6ea; padding: 8px 14px; border-radius: 10px; transition: .2s;
}
.nh-nav a:hover { color: var(--white); background: rgba(255, 255, 255, .08); }
.nh-nav a .dot { display: inline-block; width: 8px; height: 8px; border-radius: 50%; margin-right: 6px; vertical-align: 1px; }
.nh-actions { display: flex; align-items: center; gap: 10px; }
.nh-ig { width: 38px; height: 38px; border-radius: 10px; display: grid; place-items: center; background: rgba(255, 255, 255, .08); transition: .2s; }
.nh-ig:hover { background: rgba(255, 255, 255, .16); }
.nh-yt {
    display: flex; align-items: center; gap: 8px; background: #ff0033; color: #fff;
    font-family: var(--head); font-weight: 700; font-size: 1rem; letter-spacing: .4px;
    padding: 9px 16px; border-radius: 999px; transition: .2s;
}
.nh-yt:hover { transform: translateY(-1px); box-shadow: 0 6px 16px rgba(255, 0, 51, .35); }
.nh-flag { height: 34px; border-radius: 6px; }
.nh-burger { display: none; margin-left: auto; background: none; border: 0; cursor: pointer; padding: 8px; }
.nh-burger span { display: block; width: 24px; height: 3px; border-radius: 2px; background: #fff; margin: 4px 0; }

/* ---------- HERO ---------- */
.nh-hero {
    position: relative; overflow: hidden; color: var(--white);
    background:
        radial-gradient(circle at 85% 20%, rgba(28, 100, 214, .45), transparent 45%),
        radial-gradient(circle at 10% 90%, rgba(28, 140, 64, .30), transparent 40%),
        linear-gradient(160deg, var(--navy) 0%, var(--navy-2) 60%, var(--navy-3) 100%);
}
.nh-hero::after { /* ince çapraz şeritler — video geçişlerine gönderme */
    content: ""; position: absolute; inset: 0; pointer-events: none;
    background: repeating-linear-gradient(115deg, rgba(255, 255, 255, .025) 0 2px, transparent 2px 46px);
}
.nh-hero .wrap { position: relative; z-index: 1; display: grid; grid-template-columns: 1.2fr .8fr; gap: 40px; align-items: center; padding: 72px 0 96px; }
.nh-eyebrow {
    display: inline-flex; align-items: center; gap: 8px;
    font-family: var(--head); font-weight: 600; letter-spacing: 2px; font-size: .95rem;
    background: rgba(255, 214, 64, .12); color: var(--yellow);
    padding: 6px 14px; border-radius: 999px; border: 1px solid rgba(255, 214, 64, .35);
}
.nh-hero h1 { font-family: var(--head); font-weight: 800; font-size: clamp(3.4rem, 9vw, 6.6rem); line-height: .92; letter-spacing: 1px; margin-top: 18px; }
.nh-hero h1 em { display: block; font-style: normal; color: var(--yellow); }
.nh-lead { font-size: 1.15rem; color: #c9d6ea; max-width: 34ch; margin-top: 18px; }
.nh-cta { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 28px; }
.btn {
    display: inline-flex; align-items: center; gap: 8px; cursor: pointer; border: 0;
    font-family: var(--head); font-weight: 700; font-size: 1.1rem; letter-spacing: .5px;
    padding: 13px 24px; border-radius: 999px; transition: .2s;
}
.btn--yellow { background: var(--yellow); color: var(--navy); }
.btn--yellow:hover { transform: translateY(-2px); box-shadow: 0 10px 24px rgba(255, 214, 64, .35); }
.btn--ghost { background: transparent; color: #fff; box-shadow: inset 0 0 0 2px rgba(255, 255, 255, .35); }
.btn--ghost:hover { box-shadow: inset 0 0 0 2px #fff; }
.nh-stats { display: flex; gap: 28px; margin-top: 40px; flex-wrap: wrap; }
.nh-stat b { display: block; font-family: var(--head); font-size: 2.2rem; line-height: 1; color: #fff; }
.nh-stat span { font-size: .9rem; color: #9fb2cf; }

.nh-visual { position: relative; justify-self: center; width: min(380px, 100%); aspect-ratio: 1; }
.nh-visual .ring { position: absolute; inset: 0; border-radius: 50%; border: 2px dashed rgba(255, 255, 255, .18); animation: spin 60s linear infinite; }
.nh-visual .disc { position: absolute; inset: 9%; border-radius: 50%; background: #fff; box-shadow: 0 30px 80px rgba(0, 0, 0, .35); overflow: hidden; }
.nh-visual .disc img { width: 100%; height: 100%; object-fit: cover; }
.nh-chip {
    position: absolute; font-family: var(--head); font-weight: 700; letter-spacing: .5px;
    color: #fff; padding: 8px 14px; border-radius: 12px; box-shadow: var(--shadow-lg); font-size: 1rem;
}
.nh-chip--9 { background: var(--g9); top: 6%; left: -4%; }
.nh-chip--10 { background: var(--g10); bottom: 14%; left: -10%; }
.nh-chip--11 { background: var(--g11); top: 40%; right: 0; }
@keyframes spin { to { transform: rotate(360deg); } }

/* ---------- SECTION GENEL ---------- */
.nh-section { padding: 72px 0; }
.nh-head { display: flex; align-items: end; justify-content: space-between; gap: 16px; margin-bottom: 28px; flex-wrap: wrap; }
.nh-kicker { font-family: var(--head); font-weight: 700; letter-spacing: 2px; font-size: .9rem; color: var(--g9); }
.nh-title { font-family: var(--head); font-weight: 800; font-size: clamp(2rem, 4vw, 2.8rem); line-height: 1.05; color: var(--navy); }
.nh-title mark { background: linear-gradient(transparent 60%, var(--yellow) 60%); color: inherit; padding: 0 4px; }
.nh-sub { color: var(--muted); max-width: 60ch; }
.nh-link { font-family: var(--head); font-weight: 700; color: var(--navy); border-bottom: 2px solid var(--yellow); }

/* ---------- SINIF KARTLARI ---------- */
.nh-grades { margin-top: -56px; position: relative; z-index: 2; }
.grade-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 18px; }
.grade {
    --c: var(--g9); --cd: var(--g9-dark); --cl: var(--g9-light);
    position: relative; overflow: hidden; border-radius: var(--radius);
    background: #fff; box-shadow: var(--shadow); padding: 22px 22px 20px;
    transition: transform .25s, box-shadow .25s; border-top: 6px solid var(--c);
    display: flex; flex-direction: column; min-height: 220px;
}
.grade:hover { transform: translateY(-6px); box-shadow: var(--shadow-lg); }
.grade--10 { --c: var(--g10); --cd: var(--g10-dark); --cl: var(--g10-light); }
.grade--11 { --c: var(--g11); --cd: var(--g11-dark); --cl: var(--g11-light); }
.grade--12 { --c: var(--g12); --cd: var(--g12-dark); --cl: var(--g12-light); cursor: default; }
.grade--12:hover { transform: none; box-shadow: var(--shadow); }
.grade-num { font-family: var(--head); font-weight: 800; font-size: 5rem; line-height: .85; color: var(--c); }
.grade-label { font-family: var(--head); font-weight: 700; letter-spacing: 3px; color: var(--cd); font-size: 1.05rem; }
.grade-meta { margin-top: auto; padding-top: 16px; display: flex; align-items: center; justify-content: space-between; color: var(--muted); font-size: .95rem; }
.grade-go { width: 40px; height: 40px; border-radius: 50%; display: grid; place-items: center; background: var(--cl); color: var(--cd); transition: .25s; }
.grade:hover .grade-go { background: var(--c); color: #fff; }
.grade::after { /* büyük soluk numara */
    content: attr(data-n); position: absolute; right: -10px; top: -26px;
    font-family: var(--head); font-weight: 800; font-size: 9rem; color: var(--cl); z-index: 0; pointer-events: none;
}
.grade > * { position: relative; z-index: 1; }
.badge-soon { font-family: var(--head); font-weight: 700; font-size: .85rem; letter-spacing: 1px; background: var(--g12-light); color: var(--g12-dark); padding: 4px 10px; border-radius: 999px; }

/* ---------- İÇERİK TÜRLERİ ---------- */
.feat-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; }
.feat {
    background: #fff; border-radius: var(--radius); padding: 22px; box-shadow: 0 1px 0 var(--line);
    border: 1px solid var(--line); display: flex; gap: 16px; align-items: flex-start; transition: .2s;
}
.feat:hover { border-color: #c8d5e6; box-shadow: var(--shadow); }
.feat-ico { flex: 0 0 52px; height: 52px; border-radius: 14px; display: grid; place-items: center; font-size: 1.6rem; background: var(--bg); }
.feat h3 { font-family: var(--head); font-weight: 700; font-size: 1.35rem; color: var(--navy); line-height: 1.1; }
.feat p { color: var(--muted); font-size: .97rem; margin-top: 4px; }

/* ---------- VİDEOLAR ---------- */
.nh-videos { background: #fff; border-block: 1px solid var(--line); }
.vid-tabs { display: flex; gap: 8px; flex-wrap: wrap; }
.vid-tab {
    font-family: var(--head); font-weight: 700; font-size: 1rem; letter-spacing: .5px; cursor: pointer;
    border: 0; padding: 8px 16px; border-radius: 999px; background: var(--bg); color: var(--muted); transition: .2s;
}
.vid-tab[aria-selected="true"] { background: var(--navy); color: #fff; }
.vid-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }
.vid { border-radius: 16px; overflow: hidden; background: #fff; border: 1px solid var(--line); transition: .25s; display: flex; flex-direction: column; }
.vid:hover { transform: translateY(-4px); box-shadow: var(--shadow); }
.vid-thumb { position: relative; aspect-ratio: 16 / 9; background: var(--navy); }
.vid-thumb img { width: 100%; height: 100%; object-fit: cover; }
.vid-thumb .play {
    position: absolute; inset: 0; margin: auto; width: 58px; height: 58px; border-radius: 50%;
    background: rgba(255, 0, 51, .92); display: grid; place-items: center; opacity: 0; transform: scale(.85); transition: .25s;
}
.vid:hover .play { opacity: 1; transform: none; }
.vid-type {
    position: absolute; left: 10px; top: 10px; font-family: var(--head); font-weight: 700; font-size: .85rem; letter-spacing: .5px;
    background: var(--yellow); color: var(--navy); padding: 3px 10px; border-radius: 999px;
}
.vid-body { padding: 14px 16px 16px; }
.vid-code { font-family: var(--head); font-weight: 700; font-size: .95rem; letter-spacing: .5px; }
.vid-code--9 { color: var(--g9); } .vid-code--10 { color: var(--g10); } .vid-code--11 { color: var(--g11); }
.vid-title { font-weight: 600; color: var(--ink); line-height: 1.35; margin-top: 2px; display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; }

/* ---------- SOSYAL BANT ---------- */
.nh-social .wrap { display: grid; grid-template-columns: 1fr 1fr; gap: 18px; }
.soc {
    position: relative; overflow: hidden; border-radius: 22px; padding: 30px; color: #fff; min-height: 190px;
    display: flex; flex-direction: column; justify-content: space-between; transition: .25s;
}
.soc:hover { transform: translateY(-4px); box-shadow: var(--shadow-lg); }
.soc--yt { background: linear-gradient(135deg, #ff0033, #a1001f); }
.soc--ig { background: linear-gradient(135deg, #feda75 0%, #fa7e1e 25%, #d62976 55%, #962fbf 80%, #4f5bd5 100%); }
.soc h3 { font-family: var(--head); font-weight: 800; font-size: 2rem; line-height: 1; }
.soc p { opacity: .92; margin-top: 6px; max-width: 36ch; }
.soc .btn { align-self: flex-start; background: #fff; color: var(--ink); margin-top: 18px; }
.soc-ico { position: absolute; right: -10px; bottom: -20px; opacity: .16; width: 190px; height: 190px; }

/* ---------- FOOTER ---------- */
.nh-footer { background: var(--navy); color: #c9d6ea; padding: 48px 0 28px; margin-top: 72px; }
.nh-footer .top { display: grid; grid-template-columns: 1.2fr 1fr 1fr; gap: 32px; }
.nh-footer h4 { font-family: var(--head); font-weight: 700; color: #fff; font-size: 1.15rem; letter-spacing: .5px; margin-bottom: 12px; }
.nh-footer ul { list-style: none; display: grid; gap: 8px; }
.nh-footer a:hover { color: var(--yellow); }
.nh-footer .motto { font-style: italic; color: #9fb2cf; margin-top: 10px; }
.portals { display: flex; gap: 10px; flex-wrap: wrap; }
.portals a { background: #fff; border-radius: 10px; padding: 6px 10px; height: 44px; display: grid; place-items: center; transition: .2s; }
.portals a:hover { transform: translateY(-2px); }
.portals img { max-height: 30px; width: auto; }
.nh-footer .bottom { border-top: 1px solid rgba(255, 255, 255, .1); margin-top: 32px; padding-top: 18px; display: flex; justify-content: space-between; gap: 12px; flex-wrap: wrap; font-size: .9rem; color: #8ea3c2; }

/* ---------- MODAL (eski script.js ile uyumlu) ---------- */
.modal-overlay { position: fixed; inset: 0; background: rgba(11, 35, 65, .55); backdrop-filter: blur(4px); display: none; align-items: center; justify-content: center; z-index: 100; padding: 16px; }
.modal-overlay.modal--active { display: flex; }
.modal-box { position: relative; background: #fff; border-radius: 20px; padding: 30px; width: 100%; max-height: 90vh; overflow: auto; box-shadow: var(--shadow-lg); border-top: 6px solid var(--yellow); }
.modal-box--sm { max-width: 420px; text-align: center; }
.modal-box--md { max-width: 560px; }
.modal-box--lg { max-width: 760px; }
.modal-close { position: absolute; right: 14px; top: 12px; border: 0; background: var(--bg); width: 34px; height: 34px; border-radius: 50%; cursor: pointer; font-size: 1rem; }
.modal-title { font-family: var(--head); font-weight: 800; font-size: 1.8rem; color: var(--navy); }
.modal-text, .about-text, .legal-text { color: var(--muted); }
.about-header { display: flex; gap: 14px; align-items: center; margin-bottom: 18px; }
.about-logo { width: 60px; height: 60px; border-radius: 50%; }
.about-brand { font-family: var(--head); font-size: 1.8rem; color: var(--navy); }
.about-motto { color: var(--muted); font-style: italic; }
.about-section { margin: 16px 0; }
.about-section-title { font-family: var(--head); font-weight: 700; font-size: 1.2rem; color: var(--navy); margin-bottom: 6px; }
.about-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; }
.about-card { background: var(--bg); border-radius: 14px; padding: 14px; }
.features-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 8px; }
.feature-item { background: var(--bg); border-radius: 10px; padding: 8px 12px; font-weight: 600; font-size: .95rem; }
.legal-warning { background: #fff7d6; border-left: 4px solid var(--yellow); border-radius: 10px; padding: 12px 14px; margin-top: 14px; }
.legal-warning-title { font-weight: 700; color: var(--navy); }
.contact-form { display: grid; gap: 14px; }
.form-label { font-weight: 600; font-size: .95rem; }
.form-input { width: 100%; border: 1px solid var(--line); border-radius: 12px; padding: 11px 13px; font: inherit; margin-top: 4px; }
.form-input:focus { outline: 2px solid var(--g9); border-color: transparent; }
.form-submit { background: var(--navy); color: #fff; border: 0; border-radius: 999px; padding: 12px; font-family: var(--head); font-weight: 700; font-size: 1.1rem; cursor: pointer; }

/* ---------- MOBİL ---------- */
@media (max-width: 980px) {
    .nh-hero .wrap { grid-template-columns: 1fr; padding: 48px 0 88px; }
    .nh-visual { width: 260px; order: -1; }
    .grade-grid { grid-template-columns: repeat(2, 1fr); }
    .feat-grid, .vid-grid { grid-template-columns: repeat(2, 1fr); }
    .nh-footer .top { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 760px) {
    .nh-nav, .nh-actions { display: none; }
    .nh-burger { display: block; }
    .nh-header:has(.nav--open) .wrap { flex-wrap: wrap; height: auto; min-height: 68px; padding-bottom: 16px; }
    .nh-header:has(.nav--open) .nh-brand { height: 68px; }
    .nh-nav.nav--open { display: flex; flex-direction: column; order: 3; width: 100%; margin: 0; border-top: 1px solid rgba(255, 255, 255, .1); padding-top: 8px; }
    .nh-nav.nav--open a { padding: 12px 6px; font-size: 1.15rem; }
    .nh-actions.nav--open { display: flex; order: 4; width: 100%; padding-top: 8px; }
    .feat-grid, .vid-grid, .nh-social .wrap { grid-template-columns: 1fr; }
    .nh-footer .top { grid-template-columns: 1fr; }
    .about-grid, .features-grid { grid-template-columns: 1fr; }
    .nh-chip--10 { left: -2%; } .nh-chip--11 { right: -2%; }
}
@media (max-width: 420px) {
    .grade-grid { grid-template-columns: 1fr 1fr; gap: 12px; }
    .grade { min-height: 170px; padding: 16px; }
    .grade-num { font-size: 3.6rem; }
    .grade::after { font-size: 6rem; }
}
.legal-heading { font-family: var(--head); font-weight: 700; font-size: 1.15rem; color: var(--navy); margin: 14px 0 4px; }
.legal-list { padding-left: 18px; color: var(--muted); display: grid; gap: 6px; }
.legal-clear-btn { margin-top: 16px; width: 100%; }

/* Çapa bağlantıları sabit üst menünün altında kalmasın */
#siniflar { scroll-margin-top: 140px; }
#icerikler { scroll-margin-top: 80px; }

/* ==========================================================
   SINIF SAYFALARI (9sinif / 10sinif / 11sinif.html)
   ========================================================== */
body.sinif-9  { --c: var(--g9);  --cd: var(--g9-dark);  --cl: var(--g9-light); }
body.sinif-10 { --c: var(--g10); --cd: var(--g10-dark); --cl: var(--g10-light); }
body.sinif-11 { --c: var(--g11); --cd: var(--g11-dark); --cl: var(--g11-light); }

.nh-nav a.is-active { color: #fff; background: rgba(255, 255, 255, .12); }

.sh-hero {
    position: relative; overflow: hidden; color: #fff;
    background: linear-gradient(135deg, var(--cd) 0%, var(--c) 100%);
}
.sh-hero::after {
    content: ""; position: absolute; inset: 0; pointer-events: none;
    background: repeating-linear-gradient(115deg, rgba(255, 255, 255, .04) 0 2px, transparent 2px 46px);
}
.sh-hero .wrap { position: relative; z-index: 1; padding: 22px 0 46px; }
.sh-crumb { display: flex; gap: 8px; font-size: .95rem; color: rgba(255, 255, 255, .75); }
.sh-crumb a:hover { color: #fff; text-decoration: underline; }
.sh-crumb b { color: #fff; font-weight: 600; }
.sh-row { display: flex; align-items: center; gap: 28px; margin-top: 22px; }
.sh-num {
    flex: 0 0 auto; font-family: var(--head); font-weight: 800; font-size: 9rem; line-height: .8;
    color: rgba(255, 255, 255, .95); text-shadow: 0 10px 30px rgba(0, 0, 0, .25);
}
.sh-eyebrow { font-family: var(--head); font-weight: 600; letter-spacing: 2px; color: var(--yellow); font-size: .95rem; }
.sh-title { font-family: var(--head); font-weight: 800; font-size: clamp(2.4rem, 6vw, 3.8rem); line-height: 1; }
.sh-title em { font-style: normal; color: var(--yellow); }
.sh-lead { color: rgba(255, 255, 255, .85); margin-top: 8px; max-width: 56ch; }
.sh-stats { display: flex; flex-wrap: wrap; gap: 10px; margin-top: 16px; }
.sh-stats span { background: rgba(255, 255, 255, .14); border: 1px solid rgba(255, 255, 255, .2); padding: 6px 14px; border-radius: 999px; font-size: .95rem; }
.sh-stats b { font-family: var(--head); font-size: 1.15rem; }

.kz-main { padding-top: 0; }
.kz-ara {
    position: relative; margin-top: -28px; z-index: 2; display: flex; align-items: center; gap: 10px;
    background: #fff; border-radius: 16px; box-shadow: var(--shadow); padding: 0 18px; color: var(--muted);
    border: 2px solid transparent; transition: .2s;
}
.kz-ara:focus-within { border-color: var(--c); }
.kz-ara input { flex: 1; border: 0; outline: 0; font: inherit; font-size: 1.05rem; padding: 17px 0; background: transparent; color: var(--ink); min-width: 0; }

.kz-tema { margin-top: 36px; }
.kz-tema-baslik { display: flex; align-items: baseline; gap: 12px; margin-bottom: 14px; }
.kz-tema-baslik span { font-family: var(--head); font-weight: 800; font-size: 1.6rem; color: var(--cd); letter-spacing: 1px; }
.kz-tema-baslik i { font-style: normal; color: var(--muted); font-size: .95rem; }
.kz-tema-baslik::after { content: ""; flex: 1; height: 2px; background: var(--line); align-self: center; }
.kz-list { display: grid; grid-template-columns: repeat(2, 1fr); gap: 14px; }
.kz {
    display: grid; grid-template-columns: auto 1fr auto; align-items: center; gap: 16px;
    background: #fff; border: 1px solid var(--line); border-left: 5px solid var(--c);
    border-radius: 14px; padding: 16px 18px; transition: .2s;
}
.kz:hover { transform: translateY(-3px); box-shadow: var(--shadow); border-color: var(--cl); border-left-color: var(--c); }
.kz-code {
    font-family: var(--head); font-weight: 800; font-size: 1.05rem; letter-spacing: .3px; white-space: nowrap;
    background: var(--cl); color: var(--cd); padding: 6px 10px; border-radius: 10px;
}
.kz-text { font-weight: 600; color: var(--ink); line-height: 1.35; }
.kz-video {
    display: inline-block; margin-left: 8px; vertical-align: 1px;
    font-family: var(--head); font-weight: 700; font-size: .8rem; letter-spacing: .4px;
    background: #ffe5ea; color: #c4001f; padding: 2px 8px; border-radius: 999px;
}
.kz-go { width: 34px; height: 34px; border-radius: 50%; display: grid; place-items: center; background: var(--bg); color: var(--cd); transition: .2s; }
.kz:hover .kz-go { background: var(--c); color: #fff; }
.kz .progress-badges { display: flex; flex-wrap: wrap; gap: 6px; margin-top: 8px; }
.kz .progress-badge { font-size: .78rem; font-weight: 700; padding: 2px 8px; border-radius: 999px; }
.kz .progress-badge--good { color: #1b5e20; background: #e3f4e5; }
.kz .progress-badge--mid { color: #a64b00; background: #fff1dc; }
.kz .progress-badge--low { color: #b71c1c; background: #ffe3e3; }
.kz-bos { text-align: center; color: var(--muted); margin-top: 40px; font-size: 1.05rem; }
[hidden] { display: none !important; }

@media (max-width: 860px) {
    .kz-list { grid-template-columns: 1fr; }
    .sh-num { font-size: 6rem; }
}
@media (max-width: 520px) {
    .sh-row { gap: 16px; align-items: flex-start; }
    .sh-num { font-size: 4.4rem; }
    .kz { grid-template-columns: 1fr auto; gap: 10px 12px; padding: 14px; }
    .kz-code { grid-column: 1 / -1; justify-self: start; }
    .kz-go { grid-row: 2; grid-column: 2; }
}