:root {
    --navy: #0f172a;
    --navy-2: #131b2e;
    --blue: #2563eb;
    --blue-2: #0051d5;
    --gold: #f59e0b;
    --surface: #f8f9ff;
    --surface-soft: #eff4ff;
    --surface-mid: #dce9ff;
    --text: #0b1c30;
    --muted: #45464d;
    --line: #dbe3f0;
    --white: #ffffff;
    --shadow: 0 18px 50px rgba(15, 23, 42, 0.12);
    --soft-shadow: 0 4px 6px -1px rgba(15, 23, 42, 0.1), 0 2px 4px -2px rgba(15, 23, 42, 0.05);
    --radius: 8px;
    --radius-lg: 16px;
    --radius-xl: 24px;
    --container: 1280px;
}

* {
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

body {
    margin: 0;
    background: var(--surface);
    color: var(--text);
    font-family: Inter, system-ui, sans-serif;
    line-height: 1.5;
    overflow-x: hidden;
    text-rendering: optimizeLegibility;
}

img {
    display: block;
    max-width: 100%;
}

a {
    color: inherit;
    text-decoration: none;
}

button,
input,
textarea,
select {
    font: inherit;
}

.material-symbols-outlined {
    display: inline-flex;
    font-variation-settings: "FILL" 0, "wght" 450, "GRAD" 0, "opsz" 24;
    line-height: 1;
    vertical-align: middle;
}

.glass,
.glass-panel,
.glass-card,
.glass-nav {
    background: rgba(255, 255, 255, 0.72);
    border: 1px solid rgba(255, 255, 255, 0.42);
    box-shadow: var(--soft-shadow);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
}

.bg-mesh {
    background-color: #f8f9ff;
    background-image:
        radial-gradient(at 0% 0%, hsla(220, 100%, 95%, 1) 0, transparent 50%),
        radial-gradient(at 50% 0%, hsla(210, 100%, 90%, 1) 0, transparent 50%),
        radial-gradient(at 100% 0%, hsla(200, 100%, 95%, 1) 0, transparent 50%);
}

.category-grid,
.instructor-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
    gap: 24px;
}

.hover-lift {
    transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.hover-lift:hover {
    transform: translateY(-4px);
    box-shadow: 0 10px 25px -5px rgba(0, 81, 213, 0.1);
}

.progress-track {
    height: 4px;
    background: #e2e8f0;
    border-radius: 2px;
    overflow: hidden;
}

.progress-bar {
    height: 100%;
    background: #f59e0b;
    width: 0%;
    transition: width 1.5s ease-out;
}

.reveal-on-scroll {
    opacity: 0;
    transform: translateY(20px);
    transition: all 0.6s ease-out;
}

.reveal-on-scroll.active {
    opacity: 1;
    transform: translateY(0);
}

.page-space {
    padding: clamp(54px, 6vw, 92px) 0;
}

.page-hero {
    display: grid;
    gap: 16px;
    margin-bottom: 40px;
}

.page-hero h1,
.auth-shell h1,
.course-detail-hero h1 {
    max-width: 860px;
    margin: 0;
    color: var(--text);
    font-family: Montserrat, sans-serif;
    font-size: clamp(36px, 5vw, 64px);
    line-height: 1.06;
    letter-spacing: 0;
}

.page-hero p,
.auth-shell p,
.course-detail-hero p {
    max-width: 760px;
    color: var(--muted);
    font-size: 18px;
}

.eyebrow {
    color: var(--blue-2);
    font-size: 12px;
    font-weight: 800;
    letter-spacing: 0.2em;
    text-transform: uppercase;
}

.filter-panel {
    display: grid;
    grid-template-columns: minmax(220px, 1fr) repeat(3, minmax(150px, 190px)) auto;
    gap: 12px;
    margin-bottom: 28px;
    border-top: 1px solid var(--line);
    border-bottom: 1px solid var(--line);
    padding: 18px 0;
}

.filter-panel input,
.filter-panel select,
.auth-card input,
.auth-card textarea,
.community-layout input,
.community-layout textarea {
    width: 100%;
    border: 1px solid var(--line);
    border-radius: var(--radius);
    background: var(--white);
    padding: 12px 13px;
    outline: 0;
}

.filter-panel input:focus,
.filter-panel select:focus,
.auth-card input:focus,
.auth-card textarea:focus,
.community-layout input:focus,
.community-layout textarea:focus {
    border-color: var(--blue);
    box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.12);
}

.course-public-grid {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 24px;
}

.public-course-card,
.auth-card,
.card {
    border: 1px solid var(--line);
    border-radius: var(--radius-lg);
    background: var(--white);
    box-shadow: var(--soft-shadow);
}

.public-course-card {
    overflow: hidden;
}

.public-course-card img {
    width: 100%;
    aspect-ratio: 16 / 9;
    object-fit: cover;
}

.public-course-card > div {
    display: grid;
    gap: 12px;
    padding: 22px;
}

.public-course-card h2 {
    margin: 0;
    color: var(--text);
    font-family: Montserrat, sans-serif;
    font-size: 22px;
}

.meta-row,
.card-footer {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 12px;
}

.card-footer {
    justify-content: space-between;
    border-top: 1px solid var(--line);
    padding-top: 14px;
}

.auth-page {
    padding: clamp(70px, 8vw, 130px) 0;
}

.auth-shell {
    display: grid;
    grid-template-columns: minmax(0, 1fr) 440px;
    gap: clamp(38px, 6vw, 90px);
    align-items: center;
}

.auth-card {
    display: grid;
    gap: 16px;
    padding: clamp(24px, 3vw, 42px);
}

.auth-card label,
.community-layout label {
    display: grid;
    gap: 8px;
    color: var(--text);
    font-weight: 800;
}

.auth-card a {
    color: var(--blue-2);
    font-weight: 800;
}

.alert {
    border-radius: var(--radius);
    padding: 12px 14px;
    margin-bottom: 18px;
    font-weight: 700;
}

.alert-success {
    background: rgba(37, 99, 235, 0.1);
    color: var(--blue-2);
}

.alert-error {
    background: #ffdad6;
    color: #93000a;
}

.course-detail-hero {
    display: grid;
    grid-template-columns: minmax(0, 1fr) minmax(340px, 520px);
    gap: clamp(34px, 5vw, 80px);
    align-items: center;
}

.course-detail-hero img {
    width: 100%;
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow);
}

.lesson-list {
    display: grid;
    gap: 10px;
}

.lesson-row {
    display: flex;
    justify-content: space-between;
    gap: 16px;
    border: 1px solid var(--line);
    border-radius: var(--radius);
    background: var(--white);
    padding: 14px 16px;
}

.community-layout {
    display: grid;
    grid-template-columns: 360px minmax(0, 1fr);
    gap: 24px;
    align-items: start;
}

.community-feed,
.community-post,
.comments {
    display: grid;
    gap: 16px;
}

.community-post {
    padding: 24px;
}

.comment {
    border-left: 3px solid var(--blue);
    background: var(--surface-soft);
    border-radius: var(--radius);
    padding: 12px 14px;
}

.comment-form {
    display: grid;
    grid-template-columns: 1fr auto;
    gap: 10px;
}

.lms-page {
    padding: clamp(34px, 4vw, 58px) 0 clamp(72px, 7vw, 112px);
}

.lms-section {
    margin-top: 26px;
}

.lms-hero {
    display: grid;
    grid-template-columns: minmax(0, 1fr) 280px;
    gap: clamp(28px, 5vw, 72px);
    align-items: end;
    border-bottom: 1px solid var(--line);
    padding: clamp(42px, 5vw, 72px) 0 28px;
    text-align: left;
}

.lms-hero h1 {
    max-width: 840px;
    margin: 12px 0 0;
    color: var(--navy);
    font-family: Montserrat, sans-serif;
    font-size: clamp(38px, 4.8vw, 68px);
    font-weight: 800;
    line-height: 1.02;
    letter-spacing: 0;
}

.lms-hero p {
    max-width: 760px;
    margin: 18px 0 0;
    color: var(--muted);
    font-size: 18px;
    line-height: 1.65;
}

.lms-hero-panel {
    border-left: 3px solid var(--gold);
    background: rgba(255, 255, 255, 0.72);
    border-radius: var(--radius-lg);
    box-shadow: var(--soft-shadow);
    padding: 22px;
}

.lms-hero-panel strong {
    display: block;
    color: var(--navy);
    font-family: Montserrat, sans-serif;
    font-size: 42px;
    line-height: 1;
}

.lms-hero-panel span {
    display: block;
    margin-top: 8px;
    color: var(--text);
    font-weight: 800;
}

.lms-hero-panel small {
    display: block;
    margin-top: 8px;
    color: var(--muted);
    line-height: 1.5;
}

.lms-filter {
    display: grid;
    grid-template-columns: minmax(280px, 1fr) auto;
    gap: 16px;
    align-items: center;
    border: 1px solid var(--line);
    border-radius: var(--radius-lg);
    background: rgba(255, 255, 255, 0.76);
    box-shadow: var(--soft-shadow);
    padding: 14px;
}

.lms-filter label {
    display: flex;
    align-items: center;
    gap: 10px;
    min-width: 0;
    color: var(--muted);
}

.lms-filter input,
.lms-filter select {
    width: 100%;
    border: 1px solid var(--line);
    border-radius: var(--radius);
    background: var(--white);
    padding: 12px 13px;
    outline: 0;
}

.lms-filter label input {
    border-color: transparent;
    background: transparent;
    padding-left: 0;
}

.lms-filter input:focus,
.lms-filter select:focus {
    border-color: var(--blue);
    box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.12);
}

.lms-filter-controls {
    display: flex;
    align-items: center;
    gap: 10px;
}

.lms-course-grid {
    margin-top: 26px;
}

.lms-card-top {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 12px;
    color: var(--muted);
    font-size: 13px;
    font-weight: 800;
}

.public-course-card {
    transition: transform 0.2s ease, box-shadow 0.2s ease, border-color 0.2s ease;
}

.public-course-card:hover {
    transform: translateY(-4px);
    border-color: rgba(37, 99, 235, 0.35);
    box-shadow: var(--shadow);
}

.public-course-card .meta-row {
    color: var(--muted);
    font-size: 14px;
}

.public-course-card .meta-row span {
    display: inline-flex;
    align-items: center;
    gap: 5px;
}

.public-course-card .meta-row .material-symbols-outlined {
    font-size: 17px;
    color: var(--blue-2);
}

.lms-empty {
    grid-column: 1 / -1;
    display: grid;
    justify-items: center;
    gap: 10px;
    border: 1px dashed var(--line);
    border-radius: var(--radius-lg);
    background: rgba(255, 255, 255, 0.72);
    padding: 42px;
    text-align: center;
}

.lms-empty .material-symbols-outlined {
    color: var(--blue-2);
    font-size: 42px;
}

.community-compose {
    position: sticky;
    top: 110px;
    display: grid;
    gap: 14px;
    padding: 22px;
}

.community-compose h2 {
    margin: 0;
    color: var(--navy);
    font-family: Montserrat, sans-serif;
}

.community-compose form {
    display: grid;
    gap: 14px;
}

.community-feed {
    gap: 18px;
}

.community-post {
    border-color: rgba(37, 99, 235, 0.18);
    padding: clamp(22px, 2.4vw, 34px);
}

.community-post h2 {
    margin: 0;
    color: var(--navy);
    font-family: Montserrat, sans-serif;
    font-size: clamp(22px, 2vw, 28px);
}

.community-post > p {
    margin: 0;
    color: var(--text);
    font-size: 16px;
    line-height: 1.7;
}

.community-author {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 16px;
    color: var(--muted);
}

.community-author > div {
    display: flex;
    align-items: center;
    gap: 10px;
}

.community-author strong {
    color: var(--navy);
}

.community-author time {
    font-size: 13px;
    font-weight: 700;
}

.comments {
    gap: 10px;
}

.comment {
    display: grid;
    gap: 6px;
}

.comment p {
    margin: 0;
}

.container {
    width: min(100% - 96px, var(--container));
    margin: 0 auto;
}

.site-header {
    position: sticky;
    top: 0;
    z-index: 50;
    border-bottom: 1px solid rgba(255, 255, 255, 0.4);
    background: rgba(255, 255, 255, 0.72);
    box-shadow: 0 1px 20px rgba(15, 23, 42, 0.08);
    backdrop-filter: blur(14px);
    -webkit-backdrop-filter: blur(14px);
}

.nav-shell {
    display: flex;
    align-items: center;
    justify-content: space-between;
    min-height: 82px;
    gap: 28px;
}

.brand img {
    width: 174px;
    height: auto;
}

.desktop-nav,
.nav-actions {
    display: flex;
    align-items: center;
    gap: clamp(18px, 1.8vw, 34px);
}

.desktop-nav a,
.mobile-nav a,
.login-link {
    color: var(--muted);
    font-family: Montserrat, sans-serif;
    font-size: 13px;
    font-weight: 700;
    text-transform: uppercase;
    transition: color 0.2s ease, transform 0.2s ease;
}

.desktop-nav a:hover,
.desktop-nav a.active,
.mobile-nav a.active,
.login-link:hover {
    color: var(--blue-2);
}

.desktop-nav a.active {
    border-bottom: 2px solid var(--blue-2);
    padding-bottom: 6px;
}

.icon-button,
.menu-toggle {
    display: inline-grid;
    width: 40px;
    height: 40px;
    place-items: center;
    border: 0;
    border-radius: var(--radius);
    background: transparent;
    color: var(--muted);
    cursor: pointer;
}

.icon-button:hover,
.menu-toggle:hover {
    background: var(--surface-soft);
    color: var(--blue-2);
}

.language-switcher {
    position: relative;
}

.language-toggle {
    display: inline-flex;
    width: auto;
    min-width: 54px;
    gap: 6px;
    padding: 0 8px;
}

.language-current {
    color: var(--muted);
    font-family: Montserrat, sans-serif;
    font-size: 11px;
    font-weight: 800;
    letter-spacing: 0.04em;
}

.language-menu {
    position: absolute;
    top: calc(100% + 12px);
    right: 0;
    z-index: 70;
    display: none;
    width: 190px;
    border: 1px solid var(--line);
    border-radius: var(--radius-lg);
    background: rgba(255, 255, 255, 0.96);
    box-shadow: var(--shadow);
    padding: 8px;
    backdrop-filter: blur(14px);
    -webkit-backdrop-filter: blur(14px);
}

.language-switcher.open .language-menu {
    display: grid;
}

.language-menu button {
    display: flex;
    justify-content: space-between;
    align-items: center;
    border: 0;
    border-radius: var(--radius);
    background: transparent;
    color: var(--muted);
    padding: 10px 12px;
    text-align: left;
    cursor: pointer;
}

.language-menu button:hover,
.language-menu button.active {
    background: var(--surface-soft);
    color: var(--blue-2);
}

.language-menu button.active::after {
    content: "check";
    color: var(--blue-2);
    font-family: "Material Symbols Outlined";
    font-size: 18px;
    font-variation-settings: "FILL" 0, "wght" 500, "GRAD" 0, "opsz" 20;
}

#google_translate_element {
    position: absolute;
    left: -9999px;
    top: auto;
    width: 1px;
    height: 1px;
    overflow: hidden;
}

.goog-te-banner-frame,
.goog-te-balloon-frame,
.goog-te-menu-frame,
#goog-gt-tt,
body > .skiptranslate,
iframe.skiptranslate {
    display: none !important;
    height: 0 !important;
    visibility: hidden !important;
}

html.translated-ltr,
html.translated-rtl,
body {
    top: 0 !important;
    margin-top: 0 !important;
}

.VIpgJd-ZVi9od-ORHb,
.VIpgJd-ZVi9od-ORHb-OEVmcd {
    display: none !important;
    height: 0 !important;
    visibility: hidden !important;
}

body.is-rtl {
    direction: rtl;
}

body.is-rtl .language-menu {
    right: auto;
    left: 0;
}

body.is-rtl .material-symbols-outlined {
    direction: ltr;
}

.menu-toggle {
    display: none;
}

.mobile-nav {
    display: none;
    border-top: 1px solid var(--line);
    padding: 10px 24px 18px;
    background: rgba(255, 255, 255, 0.9);
}

.mobile-nav.open {
    display: grid;
    gap: 8px;
}

.mobile-nav a {
    padding: 12px 4px;
}

.button {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    min-height: 48px;
    border: 0;
    border-radius: var(--radius);
    padding: 0 24px;
    font-family: Montserrat, sans-serif;
    font-size: 14px;
    font-weight: 700;
    text-transform: uppercase;
    cursor: pointer;
    transition: transform 0.2s ease, box-shadow 0.2s ease, background 0.2s ease;
}

.button:hover {
    transform: translateY(-2px);
    box-shadow: var(--soft-shadow);
}

.button-primary {
    background: var(--blue);
    color: var(--white);
}

.button-gold {
    background: var(--gold);
    color: var(--navy);
}

.button-outline {
    border: 2px solid var(--blue);
    background: transparent;
    color: var(--blue);
}

.button-small {
    min-height: 40px;
    padding: 0 18px;
}

.section {
    padding: clamp(76px, 6.5vw, 124px) 0;
}

.section-soft {
    background: var(--surface-soft);
}

.eyebrow {
    display: inline-flex;
    width: fit-content;
    border-radius: 999px;
    background: rgba(37, 99, 235, 0.1);
    color: var(--blue-2);
    padding: 6px 12px;
    font-size: 12px;
    font-weight: 800;
    letter-spacing: 0.08em;
    text-transform: uppercase;
}

.hero {
    position: relative;
    overflow: hidden;
    display: flex;
    align-items: center;
    min-height: auto;
    padding: 88px 0;
}

.hero-grid {
    display: grid;
    grid-template-columns: minmax(0, 1.02fr) minmax(440px, 0.98fr);
    align-items: center;
    gap: clamp(48px, 6vw, 104px);
}

.hero h1,
.page-hero h1 {
    margin: 0;
    color: var(--navy);
    font-family: Montserrat, sans-serif;
    font-size: clamp(2.2rem, 4vw, 4.45rem);
    line-height: 1.04;
    font-weight: 800;
}

.hero p,
.page-hero p,
.section-lead {
    color: var(--muted);
    font-size: 18px;
    max-width: 720px;
}

.accent {
    color: var(--blue);
}

.hero-actions,
.split-actions {
    display: flex;
    flex-wrap: wrap;
    gap: 14px;
    margin-top: 28px;
}

.trust-row {
    display: flex;
    align-items: center;
    gap: 14px;
    margin-top: 32px;
    color: var(--muted);
    font-size: 13px;
    font-weight: 700;
    text-transform: uppercase;
}

.avatar-stack {
    display: flex;
}

.avatar-stack img {
    width: 42px;
    height: 42px;
    margin-right: -12px;
    border: 2px solid var(--white);
    border-radius: 999px;
    object-fit: cover;
}

.media-card {
    position: relative;
    overflow: hidden;
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow);
}

.media-card > img {
    width: 100%;
    aspect-ratio: 4 / 3;
    object-fit: cover;
}

.glass-panel,
.glass-card {
    border: 1px solid rgba(255, 255, 255, 0.5);
    background: rgba(255, 255, 255, 0.72);
    box-shadow: var(--soft-shadow);
    backdrop-filter: blur(12px);
}

.hero-badge {
    position: absolute;
    right: 24px;
    bottom: 24px;
    left: 24px;
    border-radius: var(--radius-lg);
    padding: 22px;
}

.hero-badge h2 {
    margin: 6px 0 4px;
    color: var(--navy);
    font-family: Montserrat, sans-serif;
    font-size: 22px;
}

.stars {
    color: var(--gold);
}

.section-heading {
    display: flex;
    align-items: end;
    justify-content: space-between;
    gap: 28px;
    margin-bottom: clamp(36px, 4vw, 64px);
}

.section-heading.center {
    display: grid;
    justify-items: center;
    text-align: center;
}

.section-heading h2,
.split-copy h2 {
    margin: 8px 0 0;
    color: var(--navy);
    font-family: Montserrat, sans-serif;
    font-size: clamp(1.9rem, 3vw, 3rem);
    line-height: 1.1;
}

.card-grid {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: clamp(22px, 2vw, 32px);
}

.category-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: clamp(22px, 2vw, 32px);
}

.card,
.category-card,
.instructor-card,
.contact-card,
.forum-card {
    border: 1px solid #e2e8f0;
    border-radius: var(--radius-lg);
    background: var(--white);
    box-shadow: var(--soft-shadow);
    transition: transform 0.2s ease, box-shadow 0.2s ease, border-color 0.2s ease;
}

.card:hover,
.category-card:hover,
.instructor-card:hover,
.forum-card:hover {
    border-color: var(--blue);
    transform: translateY(-4px);
    box-shadow: var(--shadow);
}

.category-card,
.forum-card,
.contact-card {
    padding: clamp(26px, 2.2vw, 36px);
}

.icon-tile {
    display: grid;
    width: 56px;
    height: 56px;
    margin-bottom: 20px;
    place-items: center;
    border-radius: 14px;
    background: #dbe1ff;
    color: var(--blue-2);
}

.category-card h3,
.forum-card h3,
.contact-card h3 {
    margin: 0 0 10px;
    color: var(--navy);
    font-family: Montserrat, sans-serif;
    font-size: 22px;
}

.category-card p,
.forum-card p,
.contact-card p {
    color: var(--muted);
}

.chip-row {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
    margin-top: 24px;
}

.chip,
.filter-chip {
    display: inline-flex;
    align-items: center;
    border-radius: 999px;
    background: rgba(37, 99, 235, 0.1);
    color: var(--blue-2);
    padding: 7px 12px;
    font-size: 12px;
    font-weight: 800;
    text-transform: uppercase;
}

.filter-chip {
    border: 1px solid var(--line);
    background: transparent;
    color: var(--muted);
    cursor: pointer;
    transition: background 0.2s ease, color 0.2s ease, border-color 0.2s ease;
}

.filter-chip.active {
    background: var(--blue);
    border-color: var(--blue);
    color: var(--white);
}

.filter-chip:hover {
    border-color: var(--blue);
    color: var(--blue);
}

.filter-chip.active:hover {
    color: var(--white);
}

.course-card {
    overflow: hidden;
}

.course-card img {
    width: 100%;
    height: clamp(220px, 16vw, 310px);
    object-fit: cover;
}

.card-body {
    padding: clamp(24px, 2vw, 34px);
}

.card-body h3 {
    margin: 12px 0 8px;
    color: var(--navy);
    font-family: Montserrat, sans-serif;
    font-size: 23px;
}

.meta-row {
    display: flex;
    justify-content: space-between;
    gap: 12px;
    color: var(--muted);
    font-size: 13px;
    font-weight: 700;
}

.progress-track {
    height: 6px;
    margin-top: 18px;
    overflow: hidden;
    border-radius: 999px;
    background: #e2e8f0;
}

.progress-bar {
    height: 100%;
    border-radius: inherit;
    background: var(--gold);
}

.page-hero {
    padding: clamp(80px, 7vw, 140px) 0 clamp(54px, 4.5vw, 88px);
    text-align: center;
}

.page-hero .eyebrow,
.page-hero p {
    margin-inline: auto;
}

.filter-bar {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 16px;
    margin-bottom: 32px;
    border-radius: var(--radius-lg);
    padding: 16px;
}

.search-field {
    position: relative;
    flex: 1 1 320px;
}

.search-field span {
    position: absolute;
    top: 50%;
    left: 14px;
    color: var(--muted);
    transform: translateY(-50%);
}

.search-field input {
    width: 100%;
    border: 1px solid var(--line);
    border-radius: var(--radius);
    background: var(--white);
    padding: 13px 14px 13px 44px;
    outline: 0;
}

.search-field input:focus,
.form-field input:focus,
.form-field textarea:focus,
.form-field select:focus {
    border-color: var(--blue);
    box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.16);
}

.split-grid {
    display: grid;
    grid-template-columns: minmax(0, 0.9fr) minmax(420px, 1.1fr);
    align-items: center;
    gap: clamp(48px, 6vw, 104px);
}

.split-copy p {
    color: var(--muted);
}

.stat-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: clamp(16px, 1.6vw, 26px);
    margin-top: 32px;
}

.stat-card {
    border-left: 3px solid var(--gold);
    background: var(--white);
    padding: clamp(18px, 1.6vw, 28px);
}

.stat-card strong {
    display: block;
    color: var(--blue);
    font-family: Montserrat, sans-serif;
    font-size: 28px;
}

.values-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: clamp(22px, 2vw, 32px);
}

.values-grid .wide {
    grid-column: span 2;
}

.values-grid .tall {
    grid-column: span 2;
    grid-row: span 2;
    min-height: 420px;
    color: var(--white);
    background: linear-gradient(rgba(15, 23, 42, 0.35), rgba(15, 23, 42, 0.75)), url("https://images.unsplash.com/photo-1526948128573-703ee1aeb6fa?auto=format&fit=crop&w=1100&q=80") center/cover;
}

.value-card {
    display: flex;
    min-height: 220px;
    flex-direction: column;
    justify-content: space-between;
    padding: clamp(28px, 2.2vw, 38px);
    border-radius: var(--radius-lg);
    background: var(--white);
    box-shadow: var(--soft-shadow);
}

.value-card.dark {
    background: var(--navy);
    color: var(--white);
}

.value-card h3 {
    margin: 12px 0 0;
    font-family: Montserrat, sans-serif;
    font-size: 22px;
}

.value-card p {
    color: inherit;
    opacity: 0.78;
}

.instructor-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: clamp(22px, 2vw, 32px);
}

.instructor-card {
    overflow: hidden;
}

.instructor-card img {
    width: 100%;
    height: clamp(265px, 18vw, 360px);
    object-fit: cover;
    filter: grayscale(18%);
    transition: transform 0.4s ease, filter 0.4s ease;
}

.instructor-card:hover img {
    filter: grayscale(0);
    transform: scale(1.04);
}

.instructor-card .card-body {
    display: grid;
    gap: 14px;
}

.rating {
    display: inline-flex;
    align-items: center;
    gap: 4px;
    width: fit-content;
    border-radius: var(--radius);
    background: var(--surface-soft);
    padding: 5px 8px;
    color: var(--navy);
    font-weight: 800;
}

.community-hero {
    background: var(--white);
}

.forum-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: clamp(22px, 2vw, 32px);
}

.ecosystem-section {
    position: relative;
    overflow: hidden;
    background:
        radial-gradient(circle at 18% 18%, rgba(37, 99, 235, 0.16), transparent 28%),
        linear-gradient(135deg, #101827 0%, #0b1530 100%);
    padding-top: clamp(76px, 7vw, 120px);
    padding-bottom: clamp(76px, 7vw, 120px);
}

.ecosystem-section::before {
    content: "";
    position: absolute;
    inset: 0;
    opacity: 0.28;
    background-image: linear-gradient(rgba(255, 255, 255, 0.08) 1px, transparent 1px),
        linear-gradient(90deg, rgba(255, 255, 255, 0.08) 1px, transparent 1px);
    background-size: 64px 64px;
    pointer-events: none;
}

.ecosystem-shell {
    position: relative;
    display: grid;
    grid-template-columns: minmax(280px, 0.82fr) minmax(0, 1.18fr);
    gap: clamp(44px, 6vw, 96px);
    align-items: center;
}

.ecosystem-copy,
.ecosystem-features {
    position: relative;
    z-index: 1;
}

.ecosystem-link {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    margin-top: 34px;
    border-bottom: 2px solid var(--gold);
    padding-bottom: 8px;
    color: var(--white);
    font-family: Montserrat, sans-serif;
    font-size: 13px;
    font-weight: 800;
    letter-spacing: 0.12em;
    text-transform: uppercase;
}

.ecosystem-link .material-symbols-outlined {
    color: var(--gold);
    transition: transform 0.2s ease;
}

.ecosystem-link:hover .material-symbols-outlined {
    transform: translateX(4px);
}

.ecosystem-features {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 0;
    border-top: 1px solid rgba(255, 255, 255, 0.16);
    border-left: 1px solid rgba(255, 255, 255, 0.16);
}

.ecosystem-feature {
    display: grid;
    grid-template-columns: auto 1fr;
    gap: 18px;
    min-height: 178px;
    border-right: 1px solid rgba(255, 255, 255, 0.16);
    border-bottom: 1px solid rgba(255, 255, 255, 0.16);
    padding: clamp(22px, 2.4vw, 34px);
}

.ecosystem-feature > .material-symbols-outlined {
    color: var(--gold);
    font-size: 30px;
}

.ecosystem-feature h3 {
    margin: 0 0 10px;
    color: var(--white);
    font-family: Montserrat, sans-serif;
    font-size: clamp(18px, 1.4vw, 24px);
    font-weight: 800;
}

.ecosystem-feature p {
    margin: 0;
    color: rgba(255, 255, 255, 0.68);
}

.directory-hero {
    padding-top: clamp(70px, 6vw, 112px);
    padding-bottom: clamp(38px, 4vw, 64px);
}

.directory-shell {
    display: grid;
    grid-template-columns: minmax(0, 1fr) auto;
    gap: clamp(32px, 5vw, 80px);
    align-items: end;
}

.directory-stats {
    display: flex;
    gap: clamp(18px, 2vw, 34px);
    border-left: 1px solid var(--line);
    padding-left: clamp(24px, 3vw, 48px);
}

.directory-stats div {
    min-width: 86px;
}

.directory-stats strong {
    display: block;
    color: var(--navy);
    font-family: Montserrat, sans-serif;
    font-size: clamp(28px, 3vw, 44px);
    line-height: 1;
}

.directory-stats span {
    display: block;
    margin-top: 8px;
    color: var(--muted);
    font-size: 13px;
    font-weight: 800;
    letter-spacing: 0.08em;
    text-transform: uppercase;
}

.directory-tools {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 24px;
    margin-top: clamp(34px, 4vw, 56px);
    border-top: 1px solid var(--line);
    border-bottom: 1px solid var(--line);
    padding: 18px 0;
}

.directory-search {
    display: flex;
    align-items: center;
    gap: 12px;
    width: min(100%, 430px);
    color: var(--muted);
}

.directory-search input {
    width: 100%;
    border: 0;
    border-bottom: 1px solid transparent;
    background: transparent;
    padding: 10px 0;
    outline: 0;
}

.directory-search:focus-within {
    color: var(--blue-2);
}

.directory-search:focus-within input {
    border-bottom-color: var(--blue-2);
}

.directory-filters {
    display: flex;
    gap: 8px;
    overflow-x: auto;
    padding-bottom: 2px;
}

.directory-filters button {
    white-space: nowrap;
    border: 1px solid var(--line);
    border-radius: 999px;
    background: transparent;
    color: var(--muted);
    padding: 9px 16px;
    font-family: Montserrat, sans-serif;
    font-size: 13px;
    font-weight: 800;
    cursor: pointer;
}

.directory-filters button.active,
.directory-filters button:hover {
    border-color: var(--blue);
    background: var(--blue);
    color: var(--white);
}

.contact-redesign {
    padding-top: clamp(76px, 7vw, 118px);
    padding-bottom: clamp(64px, 6vw, 104px);
}

.contact-redesign-shell {
    display: grid;
    grid-template-columns: minmax(300px, 0.78fr) minmax(0, 1.22fr);
    gap: clamp(36px, 5vw, 76px);
    align-items: start;
    border-top: 1px solid rgba(15, 23, 42, 0.12);
    border-bottom: 1px solid rgba(15, 23, 42, 0.12);
    padding: clamp(34px, 5vw, 72px) 0;
}

.contact-redesign-info {
    position: sticky;
    top: 116px;
}

.contact-lines {
    display: grid;
    gap: 22px;
    margin-top: clamp(34px, 4vw, 58px);
}

.contact-line {
    display: grid;
    grid-template-columns: 42px 1fr;
    gap: 16px;
    align-items: start;
}

.contact-line > .material-symbols-outlined {
    display: grid;
    width: 42px;
    height: 42px;
    place-items: center;
    border-radius: var(--radius);
    background: rgba(37, 99, 235, 0.1);
    color: var(--blue-2);
}

.contact-line strong {
    display: block;
    color: var(--navy);
    font-family: Montserrat, sans-serif;
    font-size: 16px;
    margin-bottom: 6px;
}

.contact-line a {
    color: var(--blue-2);
    font-weight: 800;
}

.contact-line p {
    margin: 0;
    color: var(--muted);
}

.contact-redesign-form {
    position: relative;
    border: 1px solid var(--line);
    border-radius: var(--radius-xl);
    background: rgba(255, 255, 255, 0.84);
    box-shadow: var(--shadow);
    padding: clamp(24px, 3vw, 44px);
    backdrop-filter: blur(14px);
    -webkit-backdrop-filter: blur(14px);
}

.contact-grid {
    display: grid;
    grid-template-columns: minmax(320px, 0.75fr) minmax(0, 1.25fr);
    gap: clamp(32px, 4vw, 72px);
    align-items: start;
}

.contact-stack {
    display: grid;
    gap: 16px;
}

.contact-form {
    display: grid;
    gap: 18px;
    border-radius: var(--radius-xl);
    padding: clamp(30px, 3vw, 52px);
}

.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 18px;
}

.form-field {
    display: grid;
    gap: 8px;
}

.form-field label {
    color: var(--navy);
    font-weight: 800;
}

.form-field input,
.form-field textarea,
.form-field select {
    width: 100%;
    border: 1px solid var(--line);
    border-radius: var(--radius);
    background: #f8fafc;
    padding: 13px 14px;
    outline: 0;
    resize: vertical;
}

.form-note {
    display: none;
    border-radius: var(--radius);
    background: rgba(37, 99, 235, 0.1);
    color: var(--blue-2);
    padding: 12px 14px;
    font-weight: 700;
}

.form-note.show {
    display: block;
}

.site-footer {
    background: var(--navy);
    color: rgba(255, 255, 255, 0.78);
    padding: clamp(64px, 5vw, 96px) 0 24px;
}

.footer-grid {
    display: grid;
    grid-template-columns: 1.5fr repeat(3, 1fr);
    gap: clamp(34px, 4vw, 72px);
}

.footer-brand img {
    width: 180px;
    margin-bottom: 18px;
}

.site-footer h2 {
    margin: 0 0 14px;
    color: var(--white);
    font-family: Montserrat, sans-serif;
    font-size: 16px;
}

.site-footer a,
.site-footer p {
    display: block;
    margin: 0 0 10px;
    color: rgba(255, 255, 255, 0.72);
}

.site-footer a:hover {
    color: var(--white);
}

.footer-cta {
    color: var(--gold) !important;
    font-weight: 800;
}

.footer-bottom {
    display: flex;
    justify-content: space-between;
    gap: 16px;
    margin-top: 42px;
    border-top: 1px solid rgba(255, 255, 255, 0.14);
    padding-top: 22px;
    font-size: 14px;
}

.reveal {
    opacity: 0;
    transform: translateY(18px);
    transition: opacity 0.55s ease, transform 0.55s ease;
}

.reveal.visible {
    opacity: 1;
    transform: translateY(0);
}

@media (min-width: 1280px) {
    .category-grid {
        grid-template-columns: repeat(4, minmax(0, 1fr));
    }

    .instructor-grid {
        grid-template-columns: repeat(3, minmax(0, 1fr));
    }

    .contact-stack {
        gap: 22px;
    }
}

@media (max-width: 960px) {
    .container {
        width: min(100% - 48px, var(--container));
    }

    .desktop-nav,
    .login-link,
    .icon-button {
        display: none;
    }

    .language-switcher .icon-button {
        display: inline-flex;
    }

    .menu-toggle {
        display: inline-grid;
    }

    .hero-grid,
    .split-grid,
    .contact-grid,
    .ecosystem-shell,
    .directory-shell,
    .contact-redesign-shell,
    .lms-hero,
    .auth-shell,
    .course-detail-hero,
    .community-layout {
        grid-template-columns: 1fr;
    }

    .filter-panel {
        grid-template-columns: 1fr 1fr;
    }

    .lms-filter {
        grid-template-columns: 1fr;
    }

    .lms-filter-controls {
        display: grid;
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }

    .lms-filter-controls .button {
        grid-column: 1 / -1;
    }

    .course-public-grid {
        grid-template-columns: 1fr 1fr;
    }

    .community-compose {
        position: static;
    }

    .ecosystem-features {
        grid-template-columns: 1fr 1fr;
    }

    .directory-stats {
        border-left: 0;
        border-top: 1px solid var(--line);
        padding-left: 0;
        padding-top: 22px;
    }

    .directory-tools {
        align-items: stretch;
        flex-direction: column;
    }

    .directory-search {
        width: 100%;
    }

    .contact-redesign-info {
        position: static;
    }

    .card-grid,
    .forum-grid,
    .footer-grid {
        grid-template-columns: 1fr 1fr;
    }

    .values-grid {
        grid-template-columns: 1fr 1fr;
    }

    .section-heading {
        align-items: start;
        flex-direction: column;
    }
}

@media (max-width: 640px) {
    .container {
        width: min(100% - 32px, var(--container));
    }

    .brand img {
        width: 142px;
    }

    .hero,
    .section {
        padding: 64px 0;
    }

    .hero {
        min-height: auto;
    }

    .hero h1,
    .page-hero h1 {
        font-size: 36px;
        line-height: 1.12;
    }

    .hero p,
    .page-hero p,
    .section-lead {
        font-size: 17px;
    }

    .nav-actions {
        gap: 8px;
    }

    .nav-actions .button-small {
        display: none;
    }

    .hero-grid {
        gap: 36px;
    }

    .hero-actions,
    .split-actions {
        display: grid;
        grid-template-columns: 1fr;
    }

    .hero-actions .button,
    .split-actions .button {
        width: 100%;
    }

    .trust-row {
        align-items: flex-start;
        flex-direction: column;
    }

    .media-card {
        border-radius: var(--radius-lg);
    }

    .media-card > img {
        aspect-ratio: 1.12 / 1;
    }

    .hero-badge {
        position: relative;
        inset: auto;
        margin: -48px 16px 16px;
    }

    .hero-badge .meta-row {
        align-items: flex-start;
        flex-direction: column;
    }

    .card-grid,
    .forum-grid,
    .footer-grid,
    .values-grid,
    .ecosystem-features,
    .course-public-grid,
    .filter-panel,
    .form-row,
    .stat-grid {
        grid-template-columns: 1fr;
    }

    .lms-page {
        padding-top: 26px;
    }

    .lms-hero {
        padding-top: 28px;
    }

    .lms-hero h1 {
        font-size: 36px;
        line-height: 1.1;
    }

    .lms-hero p {
        font-size: 16px;
    }

    .lms-hero-panel {
        padding: 18px;
    }

    .lms-filter-controls {
        grid-template-columns: 1fr;
    }

    .community-author {
        align-items: flex-start;
        flex-direction: column;
    }

    .comment-form {
        grid-template-columns: 1fr;
    }

    .ecosystem-feature {
        min-height: auto;
    }

    .directory-stats {
        display: grid;
        grid-template-columns: repeat(3, 1fr);
        gap: 12px;
    }

    .directory-stats div {
        min-width: 0;
    }

    .directory-stats strong {
        font-size: 26px;
    }

    .directory-stats span {
        font-size: 11px;
    }

    .contact-line {
        grid-template-columns: 36px 1fr;
    }

    .contact-line > .material-symbols-outlined {
        width: 36px;
        height: 36px;
    }

    .values-grid .wide,
    .values-grid .tall {
        grid-column: auto;
    }

    .filter-bar {
        align-items: stretch;
        flex-direction: column;
    }

    .chip-row {
        overflow-x: auto;
        flex-wrap: nowrap;
        padding-bottom: 4px;
    }

    .footer-bottom {
        flex-direction: column;
    }
}