/* Shared visual theme. Worksheet paper retains its own print-friendly palette. */
:root {
  --primary:#245b49; --primary-dark:#194635; --primary-light:#e8f0e9;
  --primary-gradient:linear-gradient(135deg,#2c6753,#245b49);
  --secondary:#9d6248; --accent:#ba8035; --success:#34745b;
  --bg-page:#f8f7f2; --bg-card:#fffefa; --bg-muted:#eeeee6;
  --border:#dedfd4; --border-light:#eeeee6;
  --text-main:#243c32; --text-muted:#606d63; --text-light:#69756a;
  --radius-sm:7px; --radius-md:12px; --radius-lg:18px; --radius-xl:24px;
  --shadow-sm:0 2px 4px #263e2f04; --shadow-md:0 8px 24px #263e2f09;
  --shadow-lg:0 16px 40px #263e2f10; --shadow-xl:0 24px 60px #263e2f15;
}
[data-theme="dark"] { --primary:#8fc8ab; --primary-dark:#a9d9c0; --primary-light:#253d32; --primary-gradient:linear-gradient(135deg,#285e49,#204d3c); --bg-page:#14221c; --bg-card:#1b2c23; --bg-muted:#24362b; --border:#37483b; --border-light:#2b3c30; --text-main:#edf1e8; --text-muted:#b6c3b8; --text-light:#a1b5a6; }
.container {max-width:1280px;padding-inline:32px}
h1,h2,h3 {letter-spacing:-.035em} h2 {font-size:clamp(1.5rem,2.8vw,2.15rem)}
.site-header {background:var(--bg-page);border-bottom:1px solid var(--border);box-shadow:none;backdrop-filter:blur(16px)}
[data-theme="dark"] .site-header {background:var(--bg-page)}
.header-inner {min-height:88px;gap:24px}.brand-icon {background:var(--primary);color:var(--bg-page);border-radius:12px;width:44px;height:44px;box-shadow:none}.brand-name {font-size:1.04rem;letter-spacing:-.03em}.brand-sub {font-size:.56rem;letter-spacing:.12em;margin-top:4px;color:var(--text-muted)}
.nav-links ul {display:flex;align-items:center;gap:4px;list-style:none}.nav-item a {font-size:.81rem;padding:9px 10px;font-weight:600}.nav-item a[aria-current="page"] {background:var(--primary-light);color:var(--primary)}
.btn {border-radius:9px;font-weight:600;letter-spacing:-.015em;box-shadow:none;min-height:44px;transition:background .18s,box-shadow .18s,transform .18s}.btn-primary {background:var(--primary-gradient);color:#fff;border:1px solid #245b49;box-shadow:0 2px 3px #143b2020}.btn-primary:hover {background:#194635;box-shadow:0 5px 12px #143b2015;transform:translateY(-1px)}.btn-secondary {background:transparent}.btn-success {background:#245b49;color:white}.btn-sm {font-size:.78rem;min-height:38px}.header-actions {gap:10px}#themeToggleBtn {background:transparent;border:1px solid var(--border);font-size:1.25rem;width:40px}
.hero-section {padding:66px 0 62px;background:var(--bg-page);border-bottom:0;overflow:hidden;text-align:left}.premium-hero {display:grid;grid-template-columns:1.15fr 1fr;gap:64px;align-items:center}.eyebrow {font-size:.66rem;letter-spacing:.13em;text-transform:uppercase;font-weight:700;color:var(--primary);display:flex;align-items:center;gap:9px}.status-dot {height:7px;width:7px;border-radius:50%;background:#5d8b64}.hero-title {font-family:Georgia,'Times New Roman',serif;font-size:clamp(3.4rem,5.7vw,5.3rem);line-height:1.06;font-weight:400;letter-spacing:-.055em;margin:24px 0;max-width:650px}.hero-title em {font-weight:400;color:var(--primary)}.hero-subtitle {font-size:1rem;line-height:1.85;max-width:470px;margin:0 0 28px}.hero-search-bar {max-width:none;margin:0;padding:7px;background:var(--bg-card);border:1px solid var(--border);border-radius:12px;box-shadow:0 6px 20px #263e2f06;gap:8px}.hero-search-input {width:0;min-width:0;font-size:.85rem;color:var(--text-main);padding:10px 0;background:transparent}.hero-search-bar .btn {font-size:.78rem;white-space:nowrap;padding-inline:16px}.search-symbol {font-size:1.7rem;padding-left:10px;color:var(--text-muted)}.hero-quick-pills {justify-content:flex-start;margin-top:16px;gap:8px}.popular-label {font-size:.62rem;letter-spacing:.12em;color:var(--text-muted);margin-right:3px;align-self:center}.pill-chip {background:transparent;font-size:.74rem;font-weight:500;border-color:var(--border);padding:6px 13px}.hero-assurances {display:flex;flex-wrap:wrap;gap:20px;font-size:.69rem;color:var(--text-muted);margin-top:27px}
.hero-showcase {position:relative;padding:40px 28px 30px;isolation:isolate}.showcase-orbit {position:absolute;inset:5% -3%;background:#e9eadb;border-radius:48% 52% 45% 55%;z-index:-1;transform:rotate(-10deg)}.showcase-note {font-family:Georgia,serif;font-style:italic;font-size:1rem;color:#657451;margin-bottom:20px;text-align:right}.showcase-note span {font-size:1.8rem;margin-left:12px}.showcase-paper {background:#fffefb;transform:rotate(-5deg);border:1px solid #dedfd4;box-shadow:9px 13px 0 -2px #f4f1e6,10px 14px 0 -2px #dedfd4,0 25px 45px #30442b20;padding:32px 28px;border-radius:4px;color:#263e32}.sample-kicker {font-size:.48rem;letter-spacing:.16em;font-weight:700;color:#6c7969}.sample-heading {font-family:Georgia,serif;font-size:1.8rem;margin:14px 0}.sample-meta {font-size:.52rem;padding-bottom:15px;border-bottom:1px solid #dbe0d5;color:#677461}.sample-directions {font-size:.66rem;color:#677461;margin-top:15px}.sample-grid {display:grid;grid-template-columns:1fr 1fr;gap:25px 18px;margin:25px 0 30px}.sample-grid>div {font-family:Georgia,serif;font-size:1.1rem;display:flex;align-items:center;gap:7px}.sample-grid span {display:inline-block;width:35px;height:32px;border:1px solid #c7d0bd;border-radius:4px;background:#f8f9f3}.sample-footer {font-family:Georgia,serif;font-style:italic;border-top:1px solid #dbe0d5;padding-top:15px;font-size:.8rem;display:flex;justify-content:space-between;align-items:center}.sample-footer span {font-family:Inter,sans-serif;font-style:normal;font-size:.45rem;letter-spacing:.09em}.showcase-tag {display:flex;align-items:center;gap:12px;position:relative;margin:0 -15px -10px 45px;transform:rotate(3deg);padding:16px 20px;border:1px solid var(--border);border-radius:12px;background:var(--bg-card);font-size:.76rem;font-weight:700;box-shadow:var(--shadow-lg)}.showcase-tag small {display:block;font-size:.64rem;color:var(--text-muted);font-weight:400;margin-top:3px}.tag-check {background:var(--primary-light);color:var(--primary);width:34px;height:34px;display:grid;place-items:center;border-radius:50%}
.grade-strip {border-block:1px solid var(--border);background:var(--bg-card)}.grade-strip-inner {padding-block:22px;display:flex;gap:28px;align-items:center}.grade-strip .eyebrow {white-space:nowrap;font-size:.59rem}.grade-strip nav {display:flex;gap:5px;flex-wrap:wrap}.grade-strip a {padding:7px 10px;font-size:.74rem;border-radius:6px;white-space:nowrap}.grade-strip a:hover {background:var(--primary-light);color:var(--primary)}
.section-header {align-items:center;margin-bottom:25px}.section-title p {font-size:.88rem;margin-top:9px}.category-card {padding:25px;border:1px solid var(--border);box-shadow:none;background:var(--bg-card);border-radius:15px}.category-card::before {display:none}.category-card:hover {border-color:#a7b9a3;transform:translateY(-3px);box-shadow:var(--shadow-md)}.cat-card-icon {border-radius:12px;font-size:1.6rem;background:var(--bg-muted);width:48px;height:48px}.cat-card-title {font-size:1rem}.cat-card-desc {font-size:.8rem;line-height:1.75}.category-card .btn-primary {background:transparent;border:0;color:var(--primary);justify-content:flex-start;padding-left:0;box-shadow:none}.cat-card-meta {font-size:.65rem;color:var(--text-muted)}
.worksheets-grid {gap:24px}.ws-card {border:1px solid var(--border);border-radius:15px;box-shadow:none;overflow:hidden}.ws-card:hover {transform:translateY(-4px);box-shadow:var(--shadow-lg);border-color:#a7b9a3}.ws-card-preview {background:#e9ece3;padding:28px 23px 0;height:225px;border-bottom:1px solid var(--border)}.ws-card:nth-child(4n+2) .ws-card-preview {background:#f0e7da}.ws-card:nth-child(4n+3) .ws-card-preview {background:#e5eae9}.ws-card:nth-child(4n+4) .ws-card-preview {background:#ece6df}.ws-mini-paper {border-radius:3px;box-shadow:0 6px 15px #243c3210;transform:rotate(-2deg);border-color:#d4d9ce}.ws-card:nth-child(even) .ws-mini-paper {transform:rotate(2deg)}.ws-card-badges {top:12px;left:12px}.badge {font-size:.61rem;font-weight:600;border-radius:5px;box-shadow:none}.badge-grade {background:#fffefa;color:#354c3f;border:1px solid #d6ddcf}.ws-card-body {padding:21px 21px 12px}.ws-card-category {font-size:.59rem;letter-spacing:.08em;color:var(--primary);line-height:1.6}.ws-card-title {font-size:.98rem;line-height:1.5;font-weight:700}.ws-card-summary {font-size:.78rem;line-height:1.75}.ws-card-footer {padding:15px 21px;border-top:1px solid var(--border-light);gap:8px}.ws-card-footer .btn {background:transparent;color:var(--primary);border:0;box-shadow:none;padding-inline:0;font-size:.7rem}.ws-card-meta {font-size:.63rem}
.learning-promos {display:grid;grid-template-columns:1fr 1fr;gap:24px;margin-bottom:56px}.site-footer {background:var(--bg-muted);border-top:1px solid var(--border);padding-top:56px}.footer-col h4 {font-size:.72rem;letter-spacing:.07em;text-transform:uppercase}.footer-links a {font-size:.8rem}.footer-bottom {font-size:.69rem;gap:20px}.footer-bottom>div {flex-wrap:wrap}.breadcrumbs {font-size:.72rem;margin-bottom:24px}.paper-stage {background:var(--bg-muted);border-radius:18px}.worksheet-toolbar-wrapper {box-shadow:none}.worksheet-sidebar {border-radius:18px}.worksheet-paper {--text-main:#111827;--text-muted:#475569}.worksheet-paper h2 {color:#111827}.worksheet-layout>aside {min-width:0}
input,textarea,select {color:var(--text-main)}:focus-visible {outline:3px solid #a47730!important;outline-offset:4px}.skip-link {position:fixed;top:-80px;left:20px;padding:12px 20px;background:var(--bg-card);color:var(--text-main);z-index:10000;border:2px solid var(--primary);border-radius:8px}.skip-link:focus {top:15px}.mobile-nav-drawer:not(.open) {visibility:hidden}.mobile-nav-drawer.open {visibility:visible}
@media(min-width:901px) and (max-width:1150px) {.nav-item:nth-child(3),.nav-item:nth-child(4),.nav-item:nth-child(5) {display:none}}
@media(max-width:1050px) {.premium-hero {gap:25px}.hero-showcase {padding-inline:15px}.sample-grid>div {font-size:.92rem}.grade-strip-inner {flex-direction:column;align-items:flex-start;gap:12px}.hero-search-bar .btn {padding-inline:10px}}
@media(max-width:760px) {.container {padding-inline:20px}.header-inner {min-height:76px;gap:10px}.brand-name {font-size:.88rem}.brand-sub {font-size:.46rem}.brand-icon {width:36px;height:36px}.header-actions>.btn-primary {display:none}.premium-hero {grid-template-columns:1fr;gap:8px}.hero-section {padding:38px 0 32px}.hero-title {font-size:3.7rem}.hero-subtitle {max-width:100%;font-size:.94rem}.hero-showcase {max-width:410px;width:100%;margin:10px auto 0}.hero-assurances {gap:14px}.grade-strip nav {flex-wrap:nowrap;overflow-x:auto;width:100%;padding-bottom:5px}.section-header {align-items:flex-start;gap:14px;flex-wrap:wrap}.section-title {min-width:0}.learning-promos {grid-template-columns:1fr}.worksheets-grid {grid-template-columns:repeat(2,minmax(0,1fr));gap:14px}.ws-card-preview {height:185px;padding:25px 15px 0}.ws-card-body {padding:16px}.ws-card-footer {padding:12px 16px;flex-wrap:wrap}.ws-card-title {font-size:.9rem}.worksheet-layout {grid-template-columns:1fr!important}.footer-bottom {flex-direction:column;align-items:flex-start}}
@media(max-width:440px) {.hero-title {font-size:3.15rem}.hero-search-bar {flex-wrap:wrap}.hero-search-input {width:calc(100% - 55px)}.hero-search-bar .btn {width:100%}.hero-assurances {font-size:.62rem;gap:10px}.worksheets-grid {grid-template-columns:1fr}.ws-card-preview {height:245px;padding-inline:35px}.categories-shelf {grid-template-columns:1fr}.sample-grid {gap:20px 12px}.sample-heading {font-size:1.5rem}}
@media(prefers-reduced-motion:reduce) {html {scroll-behavior:auto}*,*::before,*::after {animation:none!important;transition:none!important}}
@media print {.skip-link,.grade-strip {display:none!important}.worksheet-paper {background:white!important}.paper-stage {background:transparent!important}}