:root {
    --font-display: 'Space Grotesk', 'Segoe UI', sans-serif;
    --font-body: 'Source Sans 3', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;

    --bg-canvas: #eef3f9;
    --bg-surface: #ffffff;
    --bg-surface-muted: #f6f9ff;
    --bg-ink: #081429;

    --text-strong: #0b1b34;
    --text-body: #244062;
    --text-muted: #5a7292;
    --text-inverse: #f8fbff;

    --line-soft: #d7e2ef;
    --line-strong: #b7cbe1;

    --brand-primary: #0ea5e9;
    --brand-primary-strong: #0284c7;
    --brand-secondary: #22c55e;
    --brand-warning: #f59e0b;
    --brand-danger: #dc2626;
    /* Legacy variable aliases for unchanged templates/components */
    --color-primary: var(--brand-primary-strong);
    --color-primary-light: var(--brand-primary);
    --color-secondary: var(--brand-secondary);
    --color-text: var(--text-body);

    --radius-sm: 8px;
    --radius-md: 14px;
    --radius-lg: 22px;
    --radius-xl: 30px;

    --shadow-sm: 0 10px 28px rgba(8, 20, 41, 0.07);
    --shadow-md: 0 18px 40px rgba(8, 20, 41, 0.12);

    --max-content: 1240px;
    --ease: cubic-bezier(0.21, 0.82, 0.24, 1);
}

* {
    box-sizing: border-box;
}

html,
body {
    margin: 0;
    padding: 0;
}

body {
    font-family: var(--font-body);
    color: var(--text-strong);
    line-height: 1.58;
    background:
        radial-gradient(1000px 420px at 16% -8%, rgba(14, 165, 233, 0.13), transparent 70%),
        radial-gradient(760px 340px at 94% 2%, rgba(34, 197, 94, 0.07), transparent 70%),
        var(--bg-canvas);
}

a {
    color: var(--brand-primary-strong);
    text-decoration: none;
}

a:hover {
    color: var(--brand-primary);
}

h1,
h2,
h3,
h4 {
    margin: 0 0 0.7rem;
    font-family: var(--font-display);
    font-weight: 700;
    letter-spacing: -0.03em;
    color: var(--text-strong);
    line-height: 1.1;
}

p {
    margin: 0 0 1rem;
}

::selection {
    background: rgba(14, 165, 233, 0.2);
}

:focus-visible {
    outline: 3px solid rgba(14, 165, 233, 0.55);
    outline-offset: 2px;
}

@media (prefers-reduced-motion: reduce) {
    * {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
        scroll-behavior: auto !important;
    }

    .hero-video-bg,
    .timeline-animation {
        display: none !important;
    }
}

/* Typography helpers */
.text-primary { color: var(--text-strong); }
.text-muted { color: var(--text-body); }
.text-lighter { color: var(--text-muted); }
.text-success { color: #166534; }
.text-center { text-align: center; }
.text-sm { font-size: 0.92rem; }
.text-xs { font-size: 0.78rem; }

.eyebrow,
.app-eyebrow {
    margin: 0 0 0.5rem;
    font-size: 0.77rem;
    font-family: var(--font-display);
    letter-spacing: 0.13em;
    text-transform: uppercase;
    font-weight: 600;
    color: #8bb0d5;
}

.sr-only {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    border: 0;
}

.page-center {
    min-height: 64vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 2rem 1rem;
}

.page-narrow,
.page-medium,
.page-wide,
.section-container {
    width: min(100%, var(--max-content));
    margin: 0 auto;
}

.page-narrow { max-width: 560px; padding: 2.5rem 1rem; }
.page-medium { max-width: 980px; padding: 2.5rem 1rem; }
.page-wide { max-width: var(--max-content); padding: 2rem 1rem; }

section {
    padding: 4.6rem 1rem;
}

.section-subtitle {
    margin: 0 auto 2rem;
    max-width: 760px;
    color: var(--text-body);
    font-size: 1.1rem;
    text-align: center;
}

/* Buttons */
.btn,
.app-button,
button,
input[type='submit'] {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.4rem;
    min-height: 46px;
    border-radius: 12px;
    border: 1px solid transparent;
    font-family: var(--font-display);
    font-size: 0.98rem;
    font-weight: 600;
    line-height: 1;
    cursor: pointer;
    transition: transform 0.2s var(--ease), box-shadow 0.2s var(--ease), background-color 0.2s var(--ease), color 0.2s var(--ease), border-color 0.2s var(--ease);
}

.btn-primary,
.app-button,
.btn-pay {
    padding: 0.78rem 1.35rem;
    background: linear-gradient(130deg, #0ea5e9 0%, #0284c7 100%);
    color: #fff;
    box-shadow: 0 10px 24px rgba(2, 132, 199, 0.3);
}

.btn-primary:hover,
.app-button:hover,
.btn-pay:hover {
    transform: translateY(-1px);
    box-shadow: 0 14px 28px rgba(2, 132, 199, 0.38);
    color: #fff;
}

.btn-secondary,
.app-button--secondary {
    padding: 0.78rem 1.3rem;
    background: rgba(255, 255, 255, 0.08);
    border-color: rgba(148, 163, 184, 0.45);
    color: var(--text-strong);
}

.btn-secondary:hover,
.app-button--secondary:hover {
    background: #e7f2fd;
    border-color: #96c6ea;
    color: var(--text-strong);
}

.btn-outline {
    padding: 0.76rem 1.2rem;
    background: transparent;
    border: 1px solid #91b7d8;
    color: var(--text-strong);
}

.btn-outline:hover {
    background: #e8f3ff;
    color: var(--text-strong);
}

.btn-large {
    min-height: 50px;
    padding: 0.95rem 1.75rem;
    font-size: 1.05rem;
}

.btn-block,
.app-button--full {
    width: 100%;
}

/* Forms */
.form-group { margin-bottom: 0.95rem; }

.form-label,
.auth-form label {
    display: grid;
    gap: 0.42rem;
    color: var(--text-strong);
    font-weight: 600;
    font-size: 0.94rem;
}

.form-input,
.auth-form input,
.auth-form textarea,
.auth-form select,
textarea,
input[type='email'],
input[type='text'],
input[type='password'],
input[type='url'],
select {
    width: 100%;
    border-radius: 12px;
    border: 1px solid var(--line-soft);
    background: #fff;
    color: var(--text-strong);
    padding: 0.78rem 0.95rem;
    font: inherit;
    transition: border-color 0.2s var(--ease), box-shadow 0.2s var(--ease);
}

.form-input::placeholder,
.auth-form input::placeholder,
.auth-form textarea::placeholder,
textarea::placeholder {
    color: #8aa3c1;
}

.form-input:focus,
.auth-form input:focus,
.auth-form textarea:focus,
.auth-form select:focus,
textarea:focus,
select:focus {
    outline: none;
    border-color: #50b7f1;
    box-shadow: 0 0 0 3px rgba(14, 165, 233, 0.15);
}

.auth-grid {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 0.95rem;
}

.auth-links {
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 0.8rem;
    margin-top: 1.1rem;
    color: var(--text-muted);
}

.auth-meta {
    margin-top: 1.2rem;
    padding-top: 1rem;
    border-top: 1px solid var(--line-soft);
}

/* Alerts */
.app-alert {
    margin-bottom: 1rem;
    border-radius: 12px;
    border: 1px solid transparent;
    padding: 0.75rem 0.9rem;
    font-size: 0.95rem;
}

.app-alert--info {
    background: #e8f5ff;
    color: #0e4d81;
    border-color: #9bd2ff;
}

.app-alert--error {
    background: #fff0f0;
    color: #9f1d1d;
    border-color: #f4b4b4;
}

.app-alert--warning {
    background: #fff9ec;
    color: #915d04;
    border-color: #f4d28f;
}

/* Shared card patterns */
.card,
.portal-card,
.metric-card,
.auth-card,
.module-card,
.faq-item,
.buy-confirm__card,
.course-card,
.price-card {
    border-radius: var(--radius-lg);
    background: var(--bg-surface);
    border: 1px solid var(--line-soft);
    box-shadow: var(--shadow-sm);
}

.card,
.portal-card,
.auth-card {
    padding: 1.2rem;
}

.card--elevated {
    box-shadow: var(--shadow-md);
}

/* Homepage */
.hero {
    position: relative;
    overflow: clip;
    padding: 6rem 1rem 5rem;
    color: var(--text-inverse);
    background: linear-gradient(145deg, #07142a 0%, #0f2340 48%, #081429 100%);
}

.hero::before,
.hero::after {
    content: '';
    position: absolute;
    border-radius: 50%;
    pointer-events: none;
}

.hero::before {
    width: 680px;
    height: 680px;
    left: -180px;
    top: -320px;
    background: radial-gradient(circle, rgba(14, 165, 233, 0.3), transparent 68%);
}

.hero::after {
    width: 620px;
    height: 620px;
    right: -260px;
    bottom: -300px;
    background: radial-gradient(circle, rgba(34, 197, 94, 0.18), transparent 68%);
}

.hero-video-bg {
    position: absolute;
    inset: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
    opacity: 0.2;
}

.hero-content {
    position: relative;
    z-index: 1;
    width: min(100%, 1120px);
    margin: 0 auto;
    text-align: center;
}

.hero h1 {
    font-size: clamp(2.05rem, 5vw, 4.1rem);
    color: #f5f9ff;
    max-width: 980px;
    margin: 0 auto 1.2rem;
}

.hero-subtitle {
    max-width: 820px;
    margin: 0 auto 2rem;
    color: rgba(227, 238, 252, 0.88);
    font-size: 1.22rem;
}

.hero-stats {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 0.9rem;
    width: min(100%, 920px);
    margin: 0 auto 1.6rem;
}

.stat {
    border-radius: 14px;
    border: 1px solid rgba(173, 203, 233, 0.22);
    background: rgba(6, 17, 34, 0.42);
    padding: 0.9rem 0.75rem;
}

.stat strong {
    display: block;
    font-family: var(--font-display);
    font-size: clamp(1.55rem, 3.2vw, 2.3rem);
    letter-spacing: -0.03em;
    color: #bde8ff;
}

.stat span {
    font-size: 0.84rem;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    color: rgba(209, 227, 247, 0.78);
}

.hero-note {
    margin: 0 auto 1.8rem;
    max-width: 760px;
    font-size: 0.85rem;
    color: rgba(196, 219, 242, 0.84);
}

.hero-cta {
    display: flex;
    justify-content: center;
    flex-wrap: wrap;
    gap: 0.75rem;
}

.courses-section {
    background: linear-gradient(180deg, rgba(244, 250, 255, 0.9), rgba(238, 246, 255, 0.95));
}

.courses-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(270px, 1fr));
    gap: 1rem;
}

.course-card {
    display: grid;
    grid-template-rows: auto auto 1fr auto;
    min-height: 340px;
    text-decoration: none;
    color: inherit;
    transition: transform 0.22s var(--ease), box-shadow 0.22s var(--ease), border-color 0.22s var(--ease);
}

.course-card:hover {
    transform: translateY(-3px);
    box-shadow: 0 16px 34px rgba(8, 20, 41, 0.16);
    border-color: #7cc9f4;
    color: inherit;
}

.course-card-thumb {
    width: 100%;
    aspect-ratio: 16 / 9;
    object-fit: cover;
    border-top-left-radius: var(--radius-lg);
    border-top-right-radius: var(--radius-lg);
    border-bottom: 1px solid var(--line-soft);
}

.course-card-header {
    padding: 0.9rem 1rem 0;
}

.course-card-body {
    padding: 0.75rem 1rem;
}

.course-card-body h3 {
    margin: 0 0 0.5rem;
    font-size: 1.22rem;
}

.course-card-body p {
    margin: 0;
    color: var(--text-body);
    font-size: 0.96rem;
}

.course-card-footer {
    padding: 0.95rem 1rem 1rem;
    border-top: 1px solid var(--line-soft);
}

.badge {
    display: inline-flex;
    align-items: center;
    min-height: 24px;
    border-radius: 999px;
    font-size: 0.72rem;
    font-family: var(--font-display);
    text-transform: uppercase;
    letter-spacing: 0.08em;
    padding: 0.2rem 0.62rem;
    font-weight: 600;
}

.badge-green {
    color: #136f43;
    background: #dff8ea;
}

.badge-blue {
    color: #035f93;
    background: #dff2ff;
}

.course-search-form {
    width: min(100%, 710px);
    margin: 0 auto 0.8rem;
    display: grid;
    grid-template-columns: minmax(0, 1fr) auto;
    gap: 0.6rem;
}

.course-search-input {
    min-height: 46px;
}

.course-count {
    margin: 0 auto 1.6rem;
    text-align: center;
    color: var(--text-muted);
}

.pagination {
    display: flex;
    justify-content: center;
    align-items: center;
    flex-wrap: wrap;
    gap: 0.8rem;
    margin-top: 1.4rem;
}

.pagination-info {
    color: var(--text-muted);
    font-weight: 600;
}

.empty-state {
    border-radius: var(--radius-lg);
    border: 1px dashed #9ac2e5;
    padding: 1.6rem;
    text-align: center;
    color: var(--text-body);
    background: #f9fcff;
}

.social-proof {
    background: var(--bg-surface);
}

.proof-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
    gap: 1rem;
    margin-top: 1.2rem;
}

.proof-item {
    border-radius: 18px;
    padding: 1.1rem 1rem;
    background: linear-gradient(180deg, #ffffff 0%, #f7fbff 100%);
    border: 1px solid var(--line-soft);
    box-shadow: var(--shadow-sm);
    text-align: left;
}

.proof-item h3 {
    font-size: 1.06rem;
    margin: 0 0 0.45rem;
}

.proof-item p {
    margin: 0;
    color: var(--text-body);
}

.proof-icon {
    width: 48px;
    height: 48px;
    border-radius: 12px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 0.7rem;
    border: 1px solid #b7d7ee;
    background: #e8f6ff;
}

.proof-icon img {
    width: 28px;
    height: 28px;
}

.timeline-section {
    background: linear-gradient(180deg, #edf5ff, #e7f1fd);
}

.timeline-animation {
    width: min(100%, 900px);
    border-radius: 20px;
    border: 1px solid #9ec9ec;
    box-shadow: var(--shadow-md);
}

.timeline {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.4rem;
    flex-wrap: wrap;
}

.timeline__step {
    display: grid;
    justify-items: center;
    gap: 0.45rem;
}

.timeline__step-icon {
    width: 38px;
    height: 38px;
    border-radius: 999px;
    background: #0284c7;
    color: #fff;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    font-family: var(--font-display);
    font-weight: 700;
}

.timeline__step-label {
    font-size: 0.84rem;
    color: var(--text-body);
    font-weight: 600;
}

.timeline__connector {
    width: 36px;
    height: 3px;
    border-radius: 999px;
    background: linear-gradient(90deg, #0284c7, #22c55e);
}

.trust-badges {
    background: var(--bg-surface);
    text-align: center;
    padding-top: 3.8rem;
    padding-bottom: 3rem;
}

.trust-subtitle {
    margin: 0 auto;
    max-width: 760px;
    color: var(--text-body);
}

.cta-section {
    background: linear-gradient(145deg, #081429 0%, #0f2645 64%, #0a1d35 100%);
    color: #eaf4ff;
    text-align: center;
}

.cta-section h2,
.cta-section p {
    color: inherit;
}

.cta-section p {
    max-width: 760px;
    margin: 0 auto 1.3rem;
}

.cta-buttons {
    display: flex;
    justify-content: center;
    flex-wrap: wrap;
    gap: 0.72rem;
}

/* Enterprise */
.enterprise-hero {
    position: relative;
    overflow: hidden;
    background: linear-gradient(135deg, #07142a 0%, #0a203d 52%, #0e3253 100%);
    color: #f4f9ff;
    padding: 6rem 1rem 5rem;
}

.enterprise-hero::after {
    content: '';
    position: absolute;
    inset: auto -180px -260px auto;
    width: 520px;
    height: 520px;
    border-radius: 50%;
    background: radial-gradient(circle, rgba(14, 165, 233, 0.24), transparent 70%);
}

.enterprise-hero__inner {
    position: relative;
    z-index: 1;
    width: min(100%, 1100px);
    margin: 0 auto;
    text-align: center;
}

.enterprise-hero h1 {
    color: #f4fbff;
    font-size: clamp(2rem, 4.8vw, 3.8rem);
    margin-bottom: 1rem;
}

.enterprise-hero p {
    max-width: 780px;
    margin: 0 auto 1.4rem;
    font-size: 1.2rem;
    color: rgba(224, 239, 255, 0.88);
}

.enterprise-kpis {
    margin: 1.5rem auto 0;
    display: grid;
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: 0.7rem;
    width: min(100%, 980px);
}

.enterprise-kpi {
    background: rgba(8, 20, 41, 0.48);
    border-radius: 14px;
    border: 1px solid rgba(150, 188, 224, 0.25);
    padding: 0.8rem 0.6rem;
}

.enterprise-kpi strong {
    display: block;
    font-size: clamp(1.38rem, 2.4vw, 2.05rem);
    color: #bde8ff;
    font-family: var(--font-display);
}

.enterprise-kpi span {
    color: rgba(214, 232, 250, 0.82);
    font-size: 0.78rem;
    text-transform: uppercase;
    letter-spacing: 0.07em;
}

.enterprise-grid {
    width: min(100%, 1160px);
    margin: 0 auto;
    display: grid;
    grid-template-columns: 1.2fr 1fr;
    gap: 1rem;
}

.enterprise-card {
    border-radius: 20px;
    border: 1px solid var(--line-soft);
    box-shadow: var(--shadow-sm);
    background: #fff;
    padding: 1.2rem;
}

.enterprise-card h3 {
    margin-bottom: 0.5rem;
    font-size: 1.34rem;
}

.enterprise-card p {
    color: var(--text-body);
}

.enterprise-list,
.feature-list {
    margin: 0;
    padding-left: 1rem;
}

.enterprise-list li,
.feature-list li {
    margin: 0.45rem 0;
    color: var(--text-body);
}

.enterprise-pricing-grid {
    width: min(100%, 1160px);
    margin: 0 auto;
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 0.95rem;
}

.price-card {
    padding: 1.2rem;
}

.price-card h3 {
    font-size: 1.2rem;
    margin-bottom: 0.35rem;
}

.price-card .price {
    font-family: var(--font-display);
    font-size: clamp(1.9rem, 3vw, 2.6rem);
    letter-spacing: -0.03em;
    color: var(--text-strong);
    margin-bottom: 0.55rem;
}

.price-card .price-meta {
    color: var(--text-muted);
    font-size: 0.92rem;
}

.enterprise-enquiry {
    width: min(100%, 1160px);
    margin: 0 auto;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1rem;
}

.enterprise-contact {
    border-radius: 20px;
    padding: 1.25rem;
    color: #ecf5ff;
    background: linear-gradient(150deg, #07142a 0%, #0f2645 100%);
    border: 1px solid rgba(176, 208, 237, 0.2);
}

.enterprise-contact h3,
.enterprise-contact p,
.enterprise-contact li,
.enterprise-contact a {
    color: inherit;
}

.enterprise-contact ul {
    margin: 1rem 0 0;
    padding-left: 1rem;
}

.enterprise-form {
    border-radius: 20px;
    background: #fff;
    border: 1px solid var(--line-soft);
    box-shadow: var(--shadow-sm);
    padding: 1.25rem;
}

.enterprise-form-grid {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 0.8rem;
}

/* My Courses */
.my-courses-shell {
    width: min(100%, 1020px);
    margin: 0 auto;
    padding: 2.8rem 1rem;
}

.my-courses-card {
    background: #fff;
    border-radius: var(--radius-lg);
    border: 1px solid var(--line-soft);
    box-shadow: var(--shadow-sm);
    padding: 1.1rem;
}

.my-courses-card + .my-courses-card {
    margin-top: 0.9rem;
}

.my-courses-card__top {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 0.8rem;
    flex-wrap: wrap;
}

.progress-track {
    width: min(260px, 100%);
    height: 9px;
    border-radius: 999px;
    overflow: hidden;
    background: #deebf8;
}

.progress-fill {
    height: 100%;
    background: linear-gradient(90deg, #0ea5e9, #22c55e);
}

.progress-fill--complete {
    background: linear-gradient(90deg, #10b981, #22c55e);
}

/* Legacy lesson/course support */
.lesson-layout {
    display: flex;
    gap: 1rem;
}

.lesson-nav {
    width: 270px;
    flex-shrink: 0;
}

.lesson-card,
.module-card,
.faq-item,
.step-item {
    background: #fff;
}

/* Footer */
.footer {
    margin-top: 3.6rem;
    background: linear-gradient(145deg, #07142a 0%, #0c223f 100%);
    color: #d9e8f7;
    border-top: 1px solid rgba(158, 201, 236, 0.26);
}

.footer-container {
    width: min(100%, var(--max-content));
    margin: 0 auto;
    padding: 2.1rem 1rem 1.2rem;
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1fr;
    gap: 1rem;
}

.footer-section h3,
.footer-section h4 {
    color: #f3f9ff;
    margin: 0 0 0.55rem;
}

.footer-section p,
.footer-links a {
    color: rgba(217, 232, 247, 0.86);
}

.footer-links {
    list-style: none;
    margin: 0;
    padding: 0;
}

.footer-links li + li {
    margin-top: 0.45rem;
}

.footer-bottom {
    border-top: 1px solid rgba(158, 201, 236, 0.2);
    text-align: center;
    padding: 0.8rem 1rem 1rem;
    color: rgba(217, 232, 247, 0.75);
    font-size: 0.87rem;
}

/* Animations */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(16px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.animate-in {
    animation: fadeInUp 0.5s var(--ease) forwards;
}

/* Responsive */
@media (max-width: 1080px) {
    section {
        padding-top: 3.7rem;
        padding-bottom: 3.4rem;
    }

    .footer-container {
        grid-template-columns: 1fr 1fr;
    }

    .footer-section:first-child {
        grid-column: 1 / -1;
    }

    .enterprise-grid,
    .enterprise-enquiry {
        grid-template-columns: 1fr;
    }

    .enterprise-pricing-grid {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }
}

@media (max-width: 820px) {
    .hero {
        padding-top: 5rem;
    }

    .hero-stats,
    .enterprise-kpis {
        grid-template-columns: 1fr;
    }

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

    .enterprise-pricing-grid {
        grid-template-columns: 1fr;
    }

    .enterprise-form-grid,
    .auth-grid {
        grid-template-columns: 1fr;
    }

    .hero-cta,
    .cta-buttons {
        flex-direction: column;
        align-items: stretch;
    }

    .btn,
    .app-button,
    .btn-large {
        width: 100%;
    }

    .timeline {
        flex-direction: column;
    }

    .timeline__connector {
        width: 3px;
        height: 26px;
    }

    .lesson-layout {
        flex-direction: column;
    }

    .lesson-nav {
        width: 100%;
    }
}

@media (max-width: 640px) {
    section {
        padding-left: 0.8rem;
        padding-right: 0.8rem;
    }

    .courses-grid,
    .proof-grid {
        grid-template-columns: 1fr;
    }

    .footer-container {
        grid-template-columns: 1fr;
    }
}

/* ------------------------------------------------------------
   Compatibility Layer for Legacy Public Templates
   ------------------------------------------------------------ */
.buy-confirm {
    min-height: 64vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 2rem 1rem;
}

.buy-confirm__card {
    width: min(100%, 560px);
    padding: 1.4rem;
}

.buy-confirm__brand,
.buy-confirm__course-meta,
.buy-confirm__trust-strip {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    flex-wrap: wrap;
}

.buy-confirm__course-box,
.buy-confirm__benefits,
.buy-confirm__buyer-row {
    border-radius: 12px;
    border: 1px solid var(--line-soft);
    background: #f7fbff;
    padding: 0.75rem 0.9rem;
    margin-bottom: 0.7rem;
}

.buy-confirm__price-section {
    display: flex;
    justify-content: space-between;
    align-items: baseline;
    gap: 1rem;
    margin-bottom: 0.8rem;
}

.buy-confirm__price-amount {
    font-family: var(--font-display);
    font-size: 2rem;
}

.buy-confirm__back-link {
    display: inline-block;
    margin-top: 0.5rem;
    color: var(--text-muted);
}

.lesson-header {
    background: linear-gradient(145deg, #081429 0%, #0f2645 100%);
    color: #e9f4ff;
    padding: 1.6rem 1rem;
}

.lesson-header .section-container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 0.8rem;
}

.lesson-header h1,
.lesson-header .lesson-header {
    color: #e9f4ff;
}

.lesson-header__meta {
    color: rgba(219, 235, 251, 0.8);
}

.lesson-header__badge,
.lesson-enrolled-badge {
    display: inline-flex;
    align-items: center;
    border-radius: 999px;
    padding: 0.3rem 0.75rem;
    font-size: 0.78rem;
    font-family: var(--font-display);
    background: rgba(255, 255, 255, 0.12);
    color: #eff7ff;
}

.lesson-layout {
    max-width: 1120px;
    margin: 0 auto;
    padding: 1.1rem 1rem;
}

.lesson-nav {
    border-radius: 16px;
    border: 1px solid var(--line-soft);
    background: #fff;
    box-shadow: var(--shadow-sm);
    padding: 0.8rem;
}

.lesson-nav__title,
.lesson-nav__module {
    color: var(--text-muted);
    font-family: var(--font-display);
    font-size: 0.76rem;
    letter-spacing: 0.09em;
    text-transform: uppercase;
}

.lesson-nav-item {
    display: block;
    border-radius: 10px;
    padding: 0.45rem 0.55rem;
    color: var(--text-body);
    margin: 0.2rem 0;
}

.lesson-nav-item.active {
    background: #eaf6ff;
    color: #075985;
}

.lesson-content-area {
    min-width: 0;
}

.lesson-card {
    border-radius: 18px;
    border: 1px solid var(--line-soft);
    background: #fff;
    box-shadow: var(--shadow-sm);
    overflow: hidden;
}

.lesson-card__header {
    padding: 1rem 1.2rem;
    border-bottom: 1px solid var(--line-soft);
}

.lesson-body {
    padding: 1.1rem 1.2rem;
    color: var(--text-body);
}

.lesson-body h1,
.lesson-body h2,
.lesson-body h3 {
    margin-top: 1rem;
}

.lesson-body p,
.lesson-body li {
    color: var(--text-body);
}

.lesson-body pre {
    border-radius: 12px;
    background: #0d1f39;
    color: #dbecff;
    padding: 0.9rem;
    overflow: auto;
}

.lesson-nav-actions {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 0.8rem;
    margin-top: 1rem;
}

.lesson-nav-toggle {
    display: none;
}

.course-outline-section,
.pricing-section,
.faq-section,
.next-steps-section,
.support-section,
.guarantee-section,
.urgency-section {
    background: #f2f8ff;
}

.modules-container,
.pricing-grid,
.faq-container,
.steps-list {
    width: min(100%, 1080px);
    margin: 1rem auto 0;
}

.module-card,
.pricing-card,
.faq-item,
.step-item,
.comparison-table {
    border-radius: 16px;
    border: 1px solid var(--line-soft);
    background: #fff;
    box-shadow: var(--shadow-sm);
}

.module-header,
.pricing-header {
    border-bottom: 1px solid var(--line-soft);
    padding-bottom: 0.7rem;
    margin-bottom: 0.7rem;
}

.lesson-count {
    display: inline-flex;
    align-items: center;
    border-radius: 999px;
    background: #e6f5ff;
    color: #035f93;
    padding: 0.2rem 0.65rem;
    font-size: 0.78rem;
}

.lessons-list,
.pricing-features,
.footer-links {
    list-style: none;
    margin: 0;
    padding: 0;
}

.lesson-item,
.pricing-features li,
.order-item {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 0.8rem;
    padding: 0.55rem 0;
    border-bottom: 1px solid var(--line-soft);
}

.lesson-item:last-child,
.pricing-features li:last-child,
.order-item:last-child {
    border-bottom: none;
}

.lesson-number {
    color: var(--text-muted);
    font-family: var(--font-display);
    min-width: 2.1rem;
}

.pricing-amount {
    font-family: var(--font-display);
    font-size: clamp(2rem, 3vw, 2.8rem);
    letter-spacing: -0.03em;
    margin: 0.7rem 0;
}

.featured-badge,
.urgency-note,
.price-row .highlight,
.total-row,
.pricing-math-box strong {
    font-family: var(--font-display);
}

.featured-badge,
.urgency-note,
.pricing-math-box,
.price-row {
    border-radius: 10px;
    padding: 0.6rem;
}

.featured-badge { background: #dff8ea; color: #136f43; }
.urgency-note { background: #fff4db; color: #8a5a00; }
.pricing-math-box { background: #eef7ff; border-left: 3px solid #5dbaf0; }
.price-row { background: #e9f6ff; }
.total-row { background: #f3f8ff; }

.faq-question {
    width: 100%;
    cursor: pointer;
    padding: 0.9rem 1rem;
    font-family: var(--font-display);
    font-weight: 600;
    border: 0;
    background: transparent;
    text-align: left;
}

.faq-answer {
    padding: 0 1rem 1rem;
    color: var(--text-body);
}

.success-hero {
    background: linear-gradient(145deg, #0f2645 0%, #0b1f39 100%);
    color: #eef7ff;
    text-align: center;
}

.success-icon {
    width: 74px;
    height: 74px;
    border-radius: 50%;
    background: #dff8ea;
    color: #136f43;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    font-size: 2rem;
    font-family: var(--font-display);
    margin-bottom: 0.8rem;
}

.success-subtitle,
.order-summary,
.step-content p,
.support-section p {
    color: rgba(228, 241, 255, 0.9);
}

.order-summary,
.comparison-table {
    width: min(100%, 760px);
    margin: 1rem auto;
    background: rgba(255, 255, 255, 0.08);
    border: 1px solid rgba(157, 199, 234, 0.26);
    border-radius: 16px;
    padding: 0.8rem 1rem;
}

.step-item {
    padding: 1rem;
    margin-bottom: 0.7rem;
}

.step-number {
    width: 34px;
    height: 34px;
    border-radius: 50%;
    background: #0ea5e9;
    color: #fff;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    font-family: var(--font-display);
}

.next-actions {
    display: flex;
    justify-content: center;
    flex-wrap: wrap;
    gap: 0.65rem;
}

.support-section {
    text-align: center;
}

.certificate-preview {
    max-width: 420px;
    width: 100%;
    border-radius: 14px;
    box-shadow: var(--shadow-md);
    display: block;
    margin: 1rem auto;
}

@media (max-width: 820px) {
    .lesson-nav-toggle {
        display: block;
        width: 100%;
        margin-bottom: 0.7rem;
    }

    .lesson-nav {
        width: 100%;
    }

    .pricing-grid,
    .modules-container,
    .faq-container,
    .steps-list {
        width: 100%;
    }
}

/* ------------------------------------------------------------
   Course Detail Redesign
   ------------------------------------------------------------ */
.course-hero {
    position: relative;
    overflow: hidden;
    padding: 6rem 1rem 4.8rem;
    background: linear-gradient(145deg, #07142a 0%, #0d2340 55%, #07162d 100%);
    color: var(--text-inverse);
}

.course-hero__video {
    position: absolute;
    inset: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
    opacity: 0.18;
}

.course-hero__content {
    position: relative;
    z-index: 1;
    text-align: center;
}

.course-hero h1 {
    color: #f4fbff;
    font-size: clamp(2rem, 4.8vw, 3.8rem);
    max-width: 980px;
    margin: 0 auto 1rem;
}

.course-hero__subtitle {
    max-width: 820px;
    margin: 0 auto 1.4rem;
    font-size: 1.15rem;
    color: rgba(225, 239, 252, 0.88);
}

.course-hero__fineprint {
    margin: 1rem auto 0;
    max-width: 760px;
    font-size: 0.86rem;
    color: rgba(201, 223, 245, 0.84);
}

.course-kpis {
    display: grid;
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: 0.8rem;
    width: min(100%, 980px);
    margin: 0 auto 1.4rem;
}

.course-kpi {
    padding: 0.75rem 0.65rem;
    border-radius: 14px;
    border: 1px solid rgba(172, 206, 235, 0.28);
    background: rgba(6, 17, 34, 0.48);
}

.course-kpi strong {
    display: block;
    color: #c8edff;
    font-family: var(--font-display);
    font-size: clamp(1.35rem, 2.7vw, 2rem);
}

.course-kpi span {
    color: rgba(209, 228, 246, 0.86);
    font-size: 0.78rem;
    letter-spacing: 0.06em;
    text-transform: uppercase;
}

.course-audience {
    width: min(100%, 760px);
    margin: 0 auto 1.35rem;
    border-radius: 12px;
    border: 1px solid rgba(153, 192, 225, 0.42);
    background: rgba(235, 247, 255, 0.1);
    padding: 0.75rem 0.95rem;
    color: rgba(224, 239, 255, 0.94);
}

.course-flow-section {
    background: linear-gradient(180deg, #f6fbff, #eef6ff);
}

.course-flow-grid {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 0.9rem;
}

.course-flow-card {
    border-radius: 16px;
    border: 1px solid var(--line-soft);
    background: #fff;
    box-shadow: var(--shadow-sm);
    padding: 1rem;
}

.course-flow-card h3 {
    margin-bottom: 0.4rem;
    font-size: 1.05rem;
}

.course-flow-card p {
    margin: 0;
    color: var(--text-body);
}

.sample-lesson-section {
    background: linear-gradient(180deg, #ffffff, #f4f9ff);
}

.sample-lesson-container {
    width: min(100%, 940px);
    margin: 0 auto;
    border-radius: var(--radius-lg);
    border: 1px solid var(--line-soft);
    background: #fff;
    box-shadow: var(--shadow-sm);
    overflow: hidden;
}

.lesson-badge {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 0.7rem;
    flex-wrap: wrap;
    padding: 0.95rem 1rem;
    border-bottom: 1px solid var(--line-soft);
    background: #eef8ff;
}

.module-info {
    color: var(--text-muted);
    font-size: 0.84rem;
}

.sample-lesson-header {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    gap: 0.8rem;
    flex-wrap: wrap;
    padding: 1rem;
    border-bottom: 1px solid var(--line-soft);
}

.sample-lesson-header h3 {
    margin: 0;
    font-size: 1.34rem;
}

.lesson-count-badge {
    display: inline-flex;
    align-items: center;
    border-radius: 999px;
    background: #e9f4ff;
    color: #055987;
    padding: 0.28rem 0.72rem;
    font-size: 0.79rem;
    font-family: var(--font-display);
}

.lesson-content-wrapper {
    position: relative;
    max-height: 460px;
    overflow: hidden;
    border-bottom: 1px solid var(--line-soft);
}

.lesson-content-wrapper.expanded {
    max-height: none;
}

.lesson-content-full {
    padding: 1rem;
    color: var(--text-body);
}

.lesson-content-full p,
.lesson-content-full li {
    color: var(--text-body);
}

.content-fade-overlay {
    position: absolute;
    left: 0;
    right: 0;
    bottom: 0;
    height: 110px;
    background: linear-gradient(180deg, rgba(255, 255, 255, 0), #ffffff 85%);
}

.lesson-toggle {
    text-align: center;
    padding: 0.85rem 1rem;
    border-bottom: 1px solid var(--line-soft);
}

.sample-lesson-cta {
    padding: 1rem;
    text-align: center;
}

.cta-text {
    margin: 0 0 0.8rem;
    color: var(--text-body);
}

.price-meta {
    color: var(--text-muted);
    min-height: 48px;
}

.pricing-grid {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 0.9rem;
}

.pricing-card {
    padding: 1rem;
}

.pricing-card--featured {
    border: 1px solid #8fcef4;
    box-shadow: 0 16px 32px rgba(2, 132, 199, 0.15);
}

.enrollment-section {
    background: linear-gradient(180deg, #edf6ff, #f6fbff);
}

.enrollment-grid {
    display: grid;
    grid-template-columns: 1.1fr 1fr;
    gap: 1rem;
}

.enrollment-copy,
.enrollment-form-card {
    border-radius: 18px;
    border: 1px solid var(--line-soft);
    background: #fff;
    box-shadow: var(--shadow-sm);
    padding: 1.1rem;
}

.enrollment-copy p,
.enrollment-copy li {
    color: var(--text-body);
}

.course-guarantee {
    margin-top: 1rem;
    border-radius: 12px;
    border: 1px solid #a8d8f7;
    background: #edf7ff;
    padding: 0.75rem 0.85rem;
}

.course-guarantee h3 {
    margin: 0 0 0.35rem;
    font-size: 1rem;
}

.course-guarantee p {
    margin: 0;
}

.tier-picker {
    margin: 0.2rem 0 0.5rem;
    border: 1px solid var(--line-soft);
    border-radius: 12px;
    padding: 0.7rem;
}

.tier-picker legend {
    padding: 0 0.3rem;
    font-family: var(--font-display);
    font-weight: 600;
    color: var(--text-muted);
    font-size: 0.86rem;
}

.tier-option {
    display: grid;
    grid-template-columns: auto 1fr;
    gap: 0.55rem;
    align-items: flex-start;
    border-radius: 10px;
    padding: 0.55rem;
    border: 1px solid transparent;
    cursor: pointer;
}

.tier-option + .tier-option {
    margin-top: 0.35rem;
}

.tier-option input {
    margin-top: 0.22rem;
}

.tier-option span {
    display: grid;
    gap: 0.15rem;
}

.tier-option small {
    color: var(--text-muted);
}

.tier-option:has(input:checked) {
    border-color: #85c9f2;
    background: #edf7ff;
}

.tier-option--disabled {
    opacity: 0.62;
    cursor: not-allowed;
}

.course-faq-section .faq-container {
    width: min(100%, 920px);
    margin: 0 auto;
    display: grid;
    gap: 0.75rem;
}

.course-faq-section .faq-answer {
    display: none;
}

@media (max-width: 1080px) {
    .course-flow-grid,
    .pricing-grid,
    .enrollment-grid {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 820px) {
    .course-kpis {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }
}

@media (max-width: 640px) {
    .course-kpis {
        grid-template-columns: 1fr;
    }
}