:root {
    --color-primary: #4da3e0;
    --color-primary-light: #6bb8eb;
    --color-primary-dark: #2a7abf;
    --color-secondary: #8fa3b0;
    --color-accent: #6bb8eb;
    --color-accent-light: #7ec0ef;
    --color-surface: #0f1419;
    --color-surface-alt: #151c24;
    --color-surface-muted: #1c2530;
    --color-on-surface: #e2e8ee;
    --color-on-surface-secondary: #8fa3b0;
    --color-on-surface-muted: #6b7f8d;
    --color-border: #2a3442;
    --color-border-light: #1e2832;
    --color-success: #4caf50;
    --color-error: #ef5350;

    --font-body: 'Inter', system-ui, -apple-system, sans-serif;

    --text-xs: 0.75rem;
    --text-sm: 0.875rem;
    --text-base: 1rem;
    --text-lg: 1.125rem;
    --text-xl: 1.25rem;
    --text-2xl: 1.5rem;
    --text-3xl: 1.875rem;
    --text-4xl: 2.25rem;
    --text-5xl: 3rem;
    --text-6xl: 3.75rem;

    --spacing-1: 0.25rem;
    --spacing-2: 0.5rem;
    --spacing-3: 0.75rem;
    --spacing-4: 1rem;
    --spacing-5: 1.25rem;
    --spacing-6: 1.5rem;
    --spacing-8: 2rem;
    --spacing-10: 2.5rem;
    --spacing-12: 3rem;
    --spacing-16: 4rem;
    --spacing-20: 5rem;
    --spacing-24: 6rem;

    --radius-sm: 6px;
    --radius-md: 10px;
    --radius-lg: 16px;
    --radius-xl: 24px;
    --radius-full: 9999px;

    --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.3);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.4), 0 2px 4px -2px rgba(0, 0, 0, 0.3);
    --shadow-lg: 0 10px 25px -5px rgba(0, 0, 0, 0.5), 0 8px 10px -6px rgba(0, 0, 0, 0.4);
    --shadow-xl: 0 20px 50px -12px rgba(0, 0, 0, 0.6);

    --transition-fast: 150ms ease;
    --transition-base: 250ms ease;
    --transition-slow: 400ms ease;

    --header-height: 88px;
}

*,
*::before,
*::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

html {
    scroll-behavior: smooth;
    -webkit-text-size-adjust: 100%;
}

body {
    font-family: var(--font-body);
    font-size: var(--text-base);
    line-height: 1.6;
    color: var(--color-on-surface);
    background-color: var(--color-surface);
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

::selection {
    background: rgba(77, 163, 224, 0.25);
    color: inherit;
}

.form-input:focus {
    outline: none;
    border-color: var(--color-primary);
    box-shadow: 0 0 0 3px rgba(77, 163, 224, 0.15);
}

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

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

ul, ol {
    list-style: none;
}

button {
    cursor: pointer;
    border: none;
    background: none;
    font-family: inherit;
    font-size: inherit;
}

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

.skip-link {
    position: absolute;
    top: -100%;
    left: var(--spacing-4);
    z-index: 10000;
    background: var(--color-primary);
    color: #fff;
    padding: var(--spacing-2) var(--spacing-4);
    border-radius: var(--radius-sm);
    font-weight: 600;
}

.skip-link:focus {
    top: var(--spacing-4);
}

.container {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--spacing-6);
}

@media (min-width: 768px) {
    .container {
        padding: 0 var(--spacing-8);
    }
}

@media (min-width: 1024px) {
    .container {
        padding: 0 var(--spacing-6);
    }
}

.header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 100;
    background: rgba(15, 20, 25, 0.85);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--color-border-light);
    transition: background var(--transition-base), box-shadow var(--transition-base);
}

.header--scrolled {
    background: rgba(15, 20, 25, 0.97);
    box-shadow: 0 1px 0 var(--color-border);
}

.nav {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: var(--header-height);
}

.nav__logo {
    display: flex;
    align-items: center;
    gap: var(--spacing-3);
    transition: opacity var(--transition-fast);
}

.nav__logo:hover {
    opacity: 0.8;
}

.nav__logo-accent {
    color: var(--color-primary);
}

.nav__logo-icon {
    color: var(--color-primary);
    filter: drop-shadow(0 0 4px rgba(0, 0, 0, 0.1));
}

.nav__logo-img {
    height: 54px;
    width: auto;
    display: block;
}

.nav__logo-text {
    font-family: var(--font-body);
    font-size: var(--text-xl);
    font-weight: 800;
    letter-spacing: -0.02em;
    color: var(--color-primary);
    line-height: 1.2;
}

.footer__brand .nav__logo-text {
    font-size: var(--text-2xl);
}

.footer__brand .nav__logo-img {
    height: 50px;
}

.footer__brand .nav__logo-text {
    font-size: var(--text-xl);
}

.nav__toggle {
    display: flex;
    flex-direction: column;
    gap: 5px;
    width: 32px;
    padding: 4px 0;
    z-index: 110;
}

.nav__toggle span {
    display: block;
    height: 2px;
    background: var(--color-on-surface);
    border-radius: 2px;
    transition: transform var(--transition-base), opacity var(--transition-base);
}

.nav__toggle[aria-expanded="true"] span:nth-child(1) {
    transform: translateY(7px) rotate(45deg);
}

.nav__toggle[aria-expanded="true"] span:nth-child(2) {
    opacity: 0;
}

.nav__toggle[aria-expanded="true"] span:nth-child(3) {
    transform: translateY(-7px) rotate(-45deg);
}

.nav__menu {
    position: fixed;
    top: 0;
    right: -100%;
    width: min(320px, 85vw);
    height: 100vh;
    background: var(--color-surface);
    padding: calc(var(--header-height) + var(--spacing-8)) var(--spacing-8) var(--spacing-8);
    display: flex;
    flex-direction: column;
    gap: var(--spacing-2);
    transition: right var(--transition-slow);
    box-shadow: var(--shadow-xl);
    z-index: 105;
}

.nav__menu--open {
    right: 0;
}

.nav__link {
    display: block;
    padding: var(--spacing-3) var(--spacing-4);
    font-weight: 500;
    font-size: var(--text-lg);
    color: var(--color-on-surface-secondary);
    border-radius: var(--radius-md);
    transition: color var(--transition-fast), background var(--transition-fast);
}

.nav__link:hover,
.nav__link--active {
    color: var(--color-primary);
    background: rgba(255, 255, 255, 0.06);
}

@media (min-width: 1024px) {
    .nav__toggle {
        display: none;
    }

    .nav__menu {
        position: static;
        width: auto;
        height: auto;
        background: none;
        padding: 0;
        flex-direction: row;
        box-shadow: none;
        gap: var(--spacing-1);
    }

    .nav__link {
        font-size: var(--text-sm);
        padding: var(--spacing-2) var(--spacing-3);
    }
}

.hero {
    position: relative;
    min-height: min(100dvh, 900px);
    display: flex;
    align-items: center;
    padding: calc(var(--header-height) + var(--spacing-6)) 0 var(--spacing-16);
    overflow: hidden;
}

.hero__bg {
    position: absolute;
    inset: 0;
    z-index: 0;
    background: var(--color-surface);
}

/* Hero background slideshow — cross-fading clinic photography. */
.hero__slides {
    position: absolute;
    inset: 0;
    /* Own stacking context, so the slides' z-index stays below .hero__gradient. */
    z-index: 0;
    isolation: isolate;
}

.hero__slide {
    position: absolute;
    inset: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
    opacity: 0;
    /* The cool desaturated grade is baked into the JPEGs so all four read as one
       set; this only lifts contrast slightly under the scrim. */
    filter: contrast(1.05);
    transform: scale(1.06);
    transition: opacity 1100ms ease-in-out;
}

/* Both selectors share one animation declaration so the slow zoom keeps running
   while a slide fades out instead of snapping back to its start scale. */
.hero__slide--active,
.hero__slide--prev {
    animation: hero-pan 6s linear forwards;
    will-change: opacity, transform;
}

.hero__slide--active {
    opacity: 1;
    z-index: 2;
}

.hero__slide--prev {
    z-index: 1;
}

@keyframes hero-pan {
    from { transform: scale(1.06); }
    to { transform: scale(1.14); }
}

.hero__dots {
    position: absolute;
    z-index: 2;
    bottom: var(--spacing-6);
    left: 0;
    right: 0;
    display: flex;
    justify-content: center;
    gap: var(--spacing-2);
}

@media (min-width: 1024px) {
    .hero__dots {
        justify-content: flex-end;
        padding-right: var(--spacing-10);
    }
}

.hero__dot {
    width: 28px;
    height: 4px;
    padding: 0;
    border: 0;
    border-radius: var(--radius-full);
    background: rgba(226, 232, 238, 0.28);
    cursor: pointer;
    transition: background var(--transition-base), width var(--transition-base);
}

.hero__dot:hover {
    background: rgba(226, 232, 238, 0.5);
}

.hero__dot--active {
    width: 44px;
    background: var(--color-primary);
}

.hero__dot:focus-visible {
    outline: 2px solid var(--color-primary-light);
    outline-offset: 4px;
}

@media (prefers-reduced-motion: reduce) {
    .hero__slide {
        transition: none;
        transform: none;
    }

    .hero__slide--active,
    .hero__slide--prev {
        animation: none;
        transform: none;
    }
}

.hero__gradient {
    position: absolute;
    inset: 0;
    z-index: 1;
    background:
        linear-gradient(180deg, rgba(15, 20, 25, 0.6) 0%, rgba(15, 20, 25, 0.84) 100%),
        radial-gradient(ellipse at 20% 50%, rgba(77, 163, 224, 0.1) 0%, transparent 50%),
        radial-gradient(ellipse at 80% 20%, rgba(77, 163, 224, 0.05) 0%, transparent 40%);
}

/* Photography is busier than the old video loop, so the copy column gets its own
   scrim while the right side of the frame stays readable. */
@media (min-width: 1024px) {
    .hero__gradient {
        background:
            linear-gradient(90deg, rgba(15, 20, 25, 0.9) 0%, rgba(15, 20, 25, 0.62) 45%, rgba(15, 20, 25, 0.12) 100%),
            linear-gradient(180deg, rgba(15, 20, 25, 0.32) 0%, rgba(15, 20, 25, 0.62) 100%),
            radial-gradient(ellipse at 80% 20%, rgba(77, 163, 224, 0.08) 0%, transparent 45%);
    }
}

.hero__grid {
    position: relative;
    z-index: 1;
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--spacing-10);
    align-items: center;
    width: 100%;
}

@media (min-width: 1024px) {
    .hero__grid {
        grid-template-columns: 1.2fr 0.8fr;
    }
}

.hero__video-block {
    display: none;
}

@media (min-width: 1024px) {
    .hero__video-block {
        display: block;
    }
}

.hero__video-card {
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-xl);
    padding: var(--spacing-3);
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.3);
    transition: transform var(--transition-base), box-shadow var(--transition-base);
}

.hero__video-card:hover {
    transform: translateY(-4px) scale(1.01);
    box-shadow: 0 30px 80px rgba(0, 0, 0, 0.4);
}

.hero__video-wrapper {
    border-radius: calc(var(--radius-xl) - 4px);
    overflow: hidden;
    background: var(--color-surface-alt);
}

.hero__video-media {
    width: 100%;
    object-fit: contain;
    display: block;
}

.hero__content {
    position: relative;
    z-index: 1;
}

.hero__badge {
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-2);
    padding: var(--spacing-2) var(--spacing-4);
    background: var(--color-surface-muted);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-full);
    font-size: var(--text-sm);
    font-weight: 500;
    color: var(--color-on-surface-secondary);
    margin-bottom: var(--spacing-6);
}

.hero__title {
    font-family: var(--font-body);
    font-size: clamp(var(--text-4xl), 6vw, var(--text-6xl));
    font-weight: 800;
    line-height: 1.05;
    color: var(--color-on-surface);
    margin-bottom: var(--spacing-6);
    letter-spacing: -0.03em;
}

.hero__title-accent {
    color: var(--color-primary);
}

.hero__subtitle {
    font-size: var(--text-lg);
    color: var(--color-on-surface-secondary);
    line-height: 1.7;
    margin-bottom: var(--spacing-8);
    max-width: 600px;
}

.hero__actions {
    display: flex;
    flex-wrap: wrap;
    gap: var(--spacing-4);
    margin-bottom: var(--spacing-12);
}

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-2);
    font-weight: 600;
    border-radius: var(--radius-full);
    transition: all var(--transition-fast);
    cursor: pointer;
    white-space: nowrap;
    text-align: center;
    border: 2px solid transparent;
    line-height: 1;
}

.btn--sm {
    padding: var(--spacing-2) var(--spacing-4);
    font-size: var(--text-sm);
}

.btn--lg {
    padding: var(--spacing-4) var(--spacing-8);
    font-size: var(--text-base);
}

.btn--block {
    width: 100%;
}

.btn--primary {
    background: var(--color-primary);
    color: #fff;
    border-color: var(--color-primary);
    box-shadow: 0 2px 12px rgba(77, 163, 224, 0.2);
}

.btn--primary:hover {
    background: var(--color-primary-dark);
    border-color: var(--color-primary-dark);
    transform: translateY(-1px);
    box-shadow: 0 4px 20px rgba(77, 163, 224, 0.35);
}

.btn--primary:active {
    transform: translateY(0);
}

.btn--outline {
    background: transparent;
    color: var(--color-on-surface);
    border-color: var(--color-border);
}

.btn--outline:hover {
    background: var(--color-surface-muted);
    border-color: var(--color-primary-light);
}

.btn--white {
    background: #fff;
    color: var(--color-primary-dark);
    border-color: #fff;
}

.btn--white:hover {
    background: rgba(255, 255, 255, 0.9);
    transform: translateY(-1px);
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.2);
}

.btn--outline-white {
    background: transparent;
    color: #fff;
    border-color: rgba(255, 255, 255, 0.4);
}

.btn--outline-white:hover {
    background: rgba(255, 255, 255, 0.15);
    border-color: rgba(255, 255, 255, 0.8);
}

.section-header {
    text-align: center;
    max-width: 640px;
    margin: 0 auto var(--spacing-12);
}

.section-tag {
    display: inline-block;
    font-size: var(--text-sm);
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    color: var(--color-primary);
    margin-bottom: var(--spacing-3);
}

.section-title {
    font-family: var(--font-body);
    font-size: clamp(var(--text-3xl), 4vw, var(--text-5xl));
    font-weight: 800;
    line-height: 1.15;
    color: var(--color-on-surface);
    margin-bottom: var(--spacing-4);
    letter-spacing: -0.03em;
}

.section-tag {
    display: inline-block;
    font-size: var(--text-xs);
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.15em;
    color: var(--color-primary-light);
    margin-bottom: var(--spacing-3);
}

.section-desc {
    font-size: var(--text-lg);
    color: var(--color-on-surface-secondary);
    line-height: 1.7;
}

.courses-preview {
    padding: var(--spacing-24) 0;
    background: var(--color-surface);
}

.courses-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--spacing-6);
}

@media (min-width: 640px) {
    .courses-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (min-width: 1024px) {
    .courses-grid {
        grid-template-columns: repeat(3, 1fr);
    }
}

.course-card {
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    overflow: hidden;
    transition: transform var(--transition-base), box-shadow var(--transition-base);
}

.course-card:hover {
    transform: translateY(-4px);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.3);
}

.course-card:focus-visible {
    outline: 2px solid var(--color-primary);
    outline-offset: 2px;
}

.course-card__image {
    position: relative;
    height: 200px;
    overflow: hidden;
}

.course-card__image-img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    object-position: center top;
    display: block;
    transition: transform var(--transition-slow);
}

.course-card:hover .course-card__image-img {
    transform: scale(1.04);
}

.course-card__image-placeholder {
    width: 100%;
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: #fff;
}

.course-card__image-placeholder--1 {
    background: linear-gradient(135deg, #0F497B, #2B8EBC);
}

.course-card__image-placeholder--2 {
    background: linear-gradient(135deg, #0a3052, #1a5a8a);
}

.course-card__image-placeholder--3 {
    background: linear-gradient(135deg, #2B8EBC, #99B3C3);
}

.course-card__image-placeholder--4 {
    background: linear-gradient(135deg, #1c2530, #0f1419);
}

.course-card__image-placeholder--5 {
    background: linear-gradient(135deg, #2a3442, #4da3e0);
}

.course-card__image-placeholder--6 {
    background: linear-gradient(135deg, #151c24, #2a7abf);
}

/* Poster card: image as full background, message overlaid on top */
.course-card--poster {
    position: relative;
    min-height: 460px;
    display: flex;
    overflow: hidden;
}

.course-card__bg {
    position: absolute;
    inset: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
    object-position: center top;
    display: block;
    transition: transform var(--transition-slow);
}

.course-card--poster:hover .course-card__bg {
    transform: scale(1.05);
}

.course-card__overlay {
    position: relative;
    z-index: 1;
    display: flex;
    flex-direction: column;
    gap: var(--spacing-5);
    width: 100%;
    padding: var(--spacing-5);
    background: linear-gradient(
        180deg,
        rgba(6, 10, 15, 0.75) 0%,
        rgba(6, 10, 15, 0.2) 18%,
        rgba(6, 10, 15, 0.1) 42%,
        rgba(6, 10, 15, 0.75) 72%,
        rgba(6, 10, 15, 0.96) 100%
    );
}

.course-card__overlay-top {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: var(--spacing-3);
}

.course-card__overlay-text {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-2);
    margin-top: auto;
}

.course-card--poster .course-card__title {
    color: #fff;
    font-size: var(--text-2xl);
    font-weight: 800;
    text-shadow: 0 2px 14px rgba(0, 0, 0, 0.6);
}

.course-card--poster .course-card__desc {
    color: rgba(255, 255, 255, 0.92);
    text-shadow: 0 1px 10px rgba(0, 0, 0, 0.55);
}

.course-card--poster .course-card__details {
    flex-direction: column;
    gap: var(--spacing-1);
    color: rgba(255, 255, 255, 0.88);
    font-weight: 500;
    text-shadow: 0 1px 10px rgba(0, 0, 0, 0.55);
}

.course-card--poster .course-card__badge {
    position: static;
    top: auto;
    right: auto;
}

.course-card--poster .course-card__category {
    background: rgba(15, 20, 25, 0.7);
    backdrop-filter: blur(8px);
}

.course-card--poster .course-card__footer {
    margin-top: auto;
    padding-top: var(--spacing-4);
    border-top: 1px solid rgba(255, 255, 255, 0.2);
}

.course-card--poster .course-card__price {
    color: #fff;
    text-shadow: 0 1px 10px rgba(0, 0, 0, 0.55);
}

/* Two posters side by side once there is room; stacked and centred below that. */
.featured-courses {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--spacing-12);
    justify-content: center;
}

@media (min-width: 768px) {
    .featured-courses {
        grid-template-columns: repeat(2, minmax(0, 420px));
        gap: var(--spacing-10);
    }
}

/* Featured course — the poster plus the two facts that matter at a glance (home page) */
.featured-course {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--spacing-6);
    max-width: 460px;
    margin-inline: auto;
}

.featured-course__poster {
    display: block;
    width: 100%;
    border-radius: var(--radius-lg);
    overflow: hidden;
    border: 1px solid var(--color-border);
    box-shadow: var(--shadow-xl);
}

.featured-course__poster img {
    display: block;
    width: 100%;
    height: auto;
    transition: transform var(--transition-slow);
}

.featured-course__poster:hover img {
    transform: scale(1.04);
}

/* With more than one poster on the page the title is what tells them apart. */
.featured-course__title {
    font-size: var(--text-xl);
    font-weight: 700;
    line-height: 1.3;
    text-align: center;
}

.featured-course__title a {
    color: var(--color-on-surface);
    transition: color var(--transition-base);
}

.featured-course__title a:hover {
    color: var(--color-primary);
}

.featured-course__facts {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-3);
}

.featured-course__facts li {
    display: flex;
    align-items: center;
    gap: var(--spacing-3);
    font-size: var(--text-base);
    color: var(--color-on-surface-secondary);
}

.featured-course__facts svg {
    flex-shrink: 0;
    color: var(--color-primary);
}

.featured-course__facts strong {
    font-weight: 600;
    color: var(--color-on-surface);
}

/* Course row — poster left, full description right (courses page) */
.course-row {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--spacing-6);
    align-items: start;
    padding: var(--spacing-6);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    background: var(--color-surface-alt);
}

@media (min-width: 900px) {
    .course-row {
        grid-template-columns: minmax(0, 320px) minmax(0, 1fr);
        gap: var(--spacing-10);
        padding: var(--spacing-8);
    }
}

.course-row__poster {
    display: block;
    width: 100%;
    max-width: 420px;
    margin-inline: auto;
    border-radius: var(--radius-md);
    overflow: hidden;
    border: 1px solid var(--color-border);
    box-shadow: var(--shadow-lg);
}

.course-row__poster img {
    display: block;
    width: 100%;
    height: auto;
    transition: transform var(--transition-slow);
}

.course-row__poster:hover img {
    transform: scale(1.04);
}

.course-row__info {
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    gap: var(--spacing-4);
}

.course-row__tags {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: var(--spacing-2);
}

/* The shared badge is absolutely positioned for poster cards; in a row it sits
   inline next to the category tag. */
.course-row__tags .course-card__badge {
    position: static;
    background: rgba(77, 163, 224, 0.14);
    color: var(--color-primary-light);
    border: 1px solid rgba(77, 163, 224, 0.3);
    backdrop-filter: none;
}

.course-row__title {
    font-size: var(--text-3xl);
    font-weight: 800;
    line-height: 1.15;
    color: var(--color-on-surface);
}

.course-row__subtitle {
    font-size: var(--text-lg);
    line-height: 1.5;
    color: var(--color-on-surface-secondary);
}

.course-row__desc {
    font-size: var(--text-base);
    line-height: 1.8;
    color: var(--color-on-surface-secondary);
}

.course-row__facts {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-3);
    width: 100%;
    margin-top: var(--spacing-1);
}

.course-row__facts li {
    display: flex;
    align-items: center;
    gap: var(--spacing-3);
    font-size: var(--text-base);
    color: var(--color-on-surface-secondary);
}

.course-row__facts svg {
    flex-shrink: 0;
    color: var(--color-primary);
}

.course-row__facts strong {
    font-weight: 600;
    color: var(--color-on-surface);
}

.course-row__actions {
    display: flex;
    flex-wrap: wrap;
    gap: var(--spacing-3);
    margin-top: var(--spacing-2);
}

.course-card__badge {
    position: absolute;
    top: var(--spacing-3);
    right: var(--spacing-3);
    background: rgba(15, 20, 25, 0.85);
    color: var(--color-on-surface);
    padding: var(--spacing-1) var(--spacing-3);
    border-radius: var(--radius-full);
    font-size: var(--text-xs);
    font-weight: 600;
    backdrop-filter: blur(8px);
}

.course-card__badge--accent {
    background: var(--color-accent);
    color: #fff;
}

.course-card__body {
    padding: var(--spacing-5);
    display: flex;
    flex-direction: column;
    gap: var(--spacing-3);
}

.course-card__meta {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.course-card__category {
    font-size: var(--text-xs);
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: var(--color-primary-light);
    background: var(--color-surface-muted);
    padding: var(--spacing-1) var(--spacing-2);
    border-radius: var(--radius-sm);
}

.course-card__category--accent {
    color: var(--color-accent);
    background: var(--color-surface-muted);
}

.course-card__rating {
    display: flex;
    align-items: center;
    gap: var(--spacing-1);
    font-size: var(--text-sm);
    font-weight: 600;
    color: var(--color-accent);
}

.course-card__title {
    font-size: var(--text-xl);
    font-weight: 600;
    color: var(--color-on-surface);
    line-height: 1.3;
}

.course-card__price {
    font-size: var(--text-2xl);
    font-weight: 700;
    color: var(--color-primary);
}

.course-card__desc {
    font-size: var(--text-sm);
    color: var(--color-on-surface-secondary);
    line-height: 1.6;
}

.course-card__details {
    display: flex;
    gap: var(--spacing-4);
    font-size: var(--text-sm);
    color: var(--color-on-surface-muted);
}

.course-card__details span {
    display: flex;
    align-items: center;
    gap: var(--spacing-1);
}

.course-card__footer {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding-top: var(--spacing-3);
    border-top: 1px solid var(--color-border-light);
    margin-top: auto;
}

.course-card__price {
    font-size: var(--text-2xl);
    font-weight: 800;
    color: var(--color-primary);
}

.courses-cta {
    text-align: center;
    margin-top: var(--spacing-10);
}

.about {
    padding: var(--spacing-24) 0;
    background: var(--color-surface-alt);
}

.about__grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--spacing-12);
    align-items: center;
}

@media (min-width: 1024px) {
    .about__grid {
        grid-template-columns: 1.2fr 0.8fr;
    }
}

.about__content .section-tag {
    display: block;
}

.about__text {
    font-size: var(--text-lg);
    color: var(--color-on-surface-secondary);
    line-height: 1.7;
    margin-bottom: var(--spacing-8);
}

.about__features {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--spacing-6);
}

@media (min-width: 640px) {
    .about__features {
        grid-template-columns: repeat(2, 1fr);
    }
}

.about__feature {
    display: flex;
    gap: var(--spacing-4);
}

.about__feature-icon {
    flex-shrink: 0;
    width: 48px;
    height: 48px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--color-surface-muted);
    border-radius: var(--radius-md);
    color: var(--color-primary);
}

.about__feature-title {
    font-size: var(--text-base);
    font-weight: 600;
    color: var(--color-on-surface);
    margin-bottom: var(--spacing-1);
}

.about__feature-desc {
    font-size: var(--text-sm);
    color: var(--color-on-surface-muted);
    line-height: 1.6;
}

.about__visual {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-4);
}

.about__card {
    display: flex;
    align-items: center;
    gap: var(--spacing-4);
    padding: var(--spacing-5) var(--spacing-6);
    background: var(--color-surface);
    border-radius: var(--radius-lg);
    border: 1px solid var(--color-border);
    font-weight: 500;
    color: var(--color-on-surface);
    transition: transform var(--transition-base), box-shadow var(--transition-base);
}

.about__card:hover {
    transform: translateX(8px);
    box-shadow: var(--shadow-md);
}

.about__card--1 {
    color: var(--color-primary);
}

.about__card--2 {
    color: var(--color-accent);
}

.about__card--3 {
    color: var(--color-success);
}

.instructors {
    padding: var(--spacing-24) 0;
    background: var(--color-surface);
}

.instructors__grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--spacing-6);
}

@media (min-width: 640px) {
    .instructors__grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (min-width: 1024px) {
    .instructors__grid {
        grid-template-columns: repeat(4, 1fr);
    }
}

.instructor-card {
    text-align: center;
    padding: var(--spacing-8) var(--spacing-5);
    border-radius: var(--radius-lg);
    border: 1px solid var(--color-border);
    background: var(--color-surface);
    transition: transform var(--transition-base), box-shadow var(--transition-base);
}

.instructor-card:hover {
    transform: translateY(-4px);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.3);
}

.instructor-card__name {
    font-size: var(--text-lg);
    font-weight: 600;
    color: var(--color-on-surface);
    margin-bottom: var(--spacing-1);
}

.instructor-card__specialty {
    font-size: var(--text-sm);
    font-weight: 500;
    color: var(--color-primary-light);
    margin-bottom: var(--spacing-2);
}

.instructor-card__avatar {
    width: 80px;
    height: 80px;
    border-radius: var(--radius-full);
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto var(--spacing-4);
    color: #fff;
}

.instructor-card__avatar--1 {
    background: linear-gradient(135deg, #0F497B, #2B8EBC);
}

.instructor-card__avatar--2 {
    background: linear-gradient(135deg, #0a3052, #1a5a8a);
}

.instructor-card__avatar--3 {
    background: linear-gradient(135deg, #2B8EBC, #99B3C3);
}

.instructor-card__avatar--4 {
    background: linear-gradient(135deg, #728290, #CFDCE4);
}

.instructor-card__name {
    font-size: var(--text-lg);
    font-weight: 600;
    color: var(--color-on-surface);
    margin-bottom: var(--spacing-1);
}

.instructor-card__specialty {
    font-size: var(--text-sm);
    font-weight: 500;
    color: var(--color-primary-light);
    margin-bottom: var(--spacing-2);
}

.instructor-card__bio {
    font-size: var(--text-sm);
    color: var(--color-on-surface-muted);
    line-height: 1.6;
}

.testimonials {
    padding: var(--spacing-24) 0;
    background: var(--color-surface-alt);
}

.testimonials__grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--spacing-6);
}

@media (min-width: 768px) {
    .testimonials__grid {
        grid-template-columns: repeat(3, 1fr);
    }
}

.testimonial-card {
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    padding: var(--spacing-8);
    display: flex;
    flex-direction: column;
    gap: var(--spacing-4);
}

.testimonial-card__stars {
    display: flex;
    gap: 2px;
    color: var(--color-accent);
}

.testimonial-card__text {
    font-size: var(--text-base);
    color: var(--color-on-surface-secondary);
    line-height: 1.7;
    font-style: italic;
    flex: 1;
}

.testimonial-card__author {
    display: flex;
    align-items: center;
    gap: var(--spacing-3);
    padding-top: var(--spacing-4);
    border-top: 1px solid var(--color-border-light);
}

.testimonial-card__avatar {
    width: 40px;
    height: 40px;
    border-radius: var(--radius-full);
    background: var(--color-primary);
    color: #fff;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: var(--text-xs);
    font-weight: 700;
    flex-shrink: 0;
}

.testimonial-card__name {
    display: block;
    font-size: var(--text-sm);
    font-weight: 600;
    color: var(--color-on-surface);
    font-style: normal;
}

.contact__info-icon {
    width: 48px;
    height: 48px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--color-surface-muted);
    border-radius: var(--radius-md);
    color: var(--color-primary);
    flex-shrink: 0;
}

.contact__info-item h3 {
    font-size: var(--text-base);
    font-weight: 600;
    color: var(--color-on-surface);
    margin-bottom: var(--spacing-1);
}

.form-label {
    font-size: var(--text-sm);
    font-weight: 600;
    color: var(--color-on-surface);
}

.testimonial-card__role {
    display: block;
    font-size: var(--text-xs);
    color: var(--color-on-surface-muted);
}

.cta-section {
    padding: var(--spacing-24) 0;
    background: linear-gradient(135deg, #0a1a2e 0%, #0f2640 50%, #153050 100%);
    position: relative;
    overflow: hidden;
}

.cta-section::before {
    content: '';
    position: absolute;
    inset: 0;
    background:
        radial-gradient(circle at 20% 80%, rgba(77, 163, 224, 0.1) 0%, transparent 50%),
        radial-gradient(circle at 80% 20%, rgba(255, 255, 255, 0.03) 0%, transparent 40%);
}

.cta-section__content {
    position: relative;
    z-index: 1;
    text-align: center;
    max-width: 640px;
    margin: 0 auto;
}

.cta-section__title {
    font-family: var(--font-body);
    font-size: clamp(var(--text-3xl), 4vw, var(--text-5xl));
    font-weight: 800;
    letter-spacing: -0.03em;
    color: #fff;
    line-height: 1.15;
    margin-bottom: var(--spacing-4);
}

.cta-section__desc {
    font-size: var(--text-lg);
    color: rgba(255, 255, 255, 0.8);
    margin-bottom: var(--spacing-8);
    line-height: 1.7;
}

.cta-section__actions {
    display: flex;
    gap: var(--spacing-4);
    justify-content: center;
    flex-wrap: wrap;
}

/* Two-column contact layout: the invitation on the left, the actual contact
   details on the right, so the visitor never has to hunt for them.
   Scoped to __grid so the centred version on /about is untouched. */
.cta-section__grid {
    position: relative;
    z-index: 1;
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--spacing-10);
    align-items: center;
}

@media (min-width: 900px) {
    .cta-section__grid {
        grid-template-columns: 1.15fr 1fr;
        gap: var(--spacing-16);
    }
}

.cta-section__grid .cta-section__content {
    text-align: left;
    max-width: none;
    margin: 0;
}

.cta-section__grid .cta-section__actions {
    justify-content: flex-start;
}

.cta-section__tag {
    display: inline-block;
    margin-bottom: var(--spacing-4);
    padding: 0.3rem 0.85rem;
    border: 1px solid rgba(255, 255, 255, 0.22);
    border-radius: var(--radius-full);
    font-size: var(--text-xs);
    font-weight: 600;
    letter-spacing: 0.12em;
    text-transform: uppercase;
    color: var(--color-primary-light);
}

.cta-section__rows {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-3);
    list-style: none;
}

.cta-section__row {
    display: flex;
    flex-wrap: wrap;
    align-items: baseline;
    justify-content: space-between;
    gap: var(--spacing-3);
    padding: var(--spacing-4) var(--spacing-5);
    border: 1px solid rgba(255, 255, 255, 0.14);
    border-radius: var(--radius-md);
    background: rgba(255, 255, 255, 0.04);
    font-size: var(--text-base);
    color: #fff;
}

.cta-section__row span {
    font-size: var(--text-sm);
    color: rgba(255, 255, 255, 0.62);
}

.cta-section__row a {
    color: #fff;
    border-bottom: 1px solid transparent;
    transition: border-color var(--transition-base), color var(--transition-base);
}

.cta-section__row a:hover {
    color: var(--color-primary-light);
    border-bottom-color: var(--color-primary-light);
}

.page-hero {
    padding: calc(var(--header-height) + var(--spacing-16)) 0 var(--spacing-12);
    background: var(--color-surface-alt);
    text-align: center;
}

.page-hero__title {
    font-family: var(--font-body);
    font-size: clamp(var(--text-4xl), 5vw, var(--text-5xl));
    font-weight: 800;
    letter-spacing: -0.03em;
    color: var(--color-on-surface);
    margin-bottom: var(--spacing-4);
}

.page-hero__desc {
    font-size: var(--text-lg);
    color: var(--color-on-surface-secondary);
    max-width: 600px;
    margin: 0 auto;
    line-height: 1.7;
}

.courses-page {
    padding: var(--spacing-12) 0 var(--spacing-20);
}

/* Courses page stacks full-width rows rather than a card grid. Declared after the
   .courses-grid breakpoints above, so it wins at every width. */
.courses-grid--full {
    grid-template-columns: 1fr;
    gap: var(--spacing-8);
}

/* ============================================================
   COURSE DETAIL — KAB cinematic single-course layout
   Palette is unchanged (KAB dark blue identity). Structure:
   hero -> fact strip -> sticky subnav -> content + sticky aside
   -> speakers -> closing CTA band
   ============================================================ */

/* --- Hero band --- */
.cd-hero {
    position: relative;
    overflow: hidden;
    padding: calc(var(--header-height) + var(--spacing-12)) 0 var(--spacing-16);
    background: linear-gradient(135deg, var(--color-surface) 0%, var(--color-surface-alt) 55%, var(--color-surface) 100%);
}

@media (min-width: 1024px) {
    .cd-hero {
        padding: calc(var(--header-height) + var(--spacing-16)) 0 var(--spacing-20);
    }
}

.cd-hero__backdrop {
    position: absolute;
    inset: -10%;
    background-size: cover;
    background-position: center 30%;
    filter: blur(48px) saturate(1.1);
    opacity: 0.22;
    transform: scale(1.1);
}

.cd-hero__scrim {
    position: absolute;
    inset: 0;
    background:
        radial-gradient(80% 60% at 20% 10%, rgba(77, 163, 224, 0.16) 0%, transparent 60%),
        linear-gradient(180deg, rgba(15, 20, 25, 0.72) 0%, rgba(15, 20, 25, 0.86) 55%, var(--color-surface) 100%);
}

.cd-hero__glow {
    position: absolute;
    top: 40%;
    right: -12%;
    width: 620px;
    height: 620px;
    border-radius: 50%;
    background: radial-gradient(circle, rgba(77, 163, 224, 0.20) 0%, transparent 70%);
    filter: blur(40px);
    pointer-events: none;
}

.cd-hero .container {
    position: relative;
    z-index: 2;
}

/* Breadcrumb */
.cd-crumbs {
    display: flex;
    align-items: center;
    flex-wrap: wrap;
    gap: var(--spacing-2);
    margin-bottom: var(--spacing-8);
    font-size: var(--text-sm);
    color: var(--color-on-surface-muted);
}

.cd-crumbs a {
    color: var(--color-on-surface-secondary);
    transition: color var(--transition-fast);
}

.cd-crumbs a:hover {
    color: var(--color-primary-light);
}

.cd-crumbs a:focus-visible {
    outline: 2px solid var(--color-primary);
    outline-offset: 3px;
    border-radius: var(--radius-sm);
}

.cd-crumbs__sep {
    color: var(--color-border);
}

.cd-crumbs__current {
    color: var(--color-on-surface);
    font-weight: 500;
}

.cd-hero__grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--spacing-12);
    align-items: center;
}

@media (min-width: 1024px) {
    .cd-hero__grid {
        grid-template-columns: 1.15fr 0.85fr;
        gap: var(--spacing-16);
    }
}

.cd-hero__eyebrow {
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-3);
    margin-bottom: var(--spacing-5);
    font-size: var(--text-xs);
    font-weight: 700;
    letter-spacing: 0.18em;
    text-transform: uppercase;
    color: var(--color-primary-light);
}

.cd-hero__eyebrow::before {
    content: '';
    width: 32px;
    height: 2px;
    background: var(--color-primary);
    border-radius: var(--radius-full);
}

.cd-hero__title {
    font-size: clamp(2.25rem, 6vw, 4rem);
    font-weight: 800;
    line-height: 1.05;
    letter-spacing: -0.03em;
    color: var(--color-on-surface);
    margin-bottom: var(--spacing-5);
}

.cd-hero__lede {
    font-size: var(--text-lg);
    line-height: 1.65;
    color: var(--color-on-surface-secondary);
    max-width: 34rem;
    margin-bottom: var(--spacing-8);
}

/* Inline meta chips */
.cd-chips {
    display: flex;
    flex-wrap: wrap;
    gap: var(--spacing-3);
    margin-bottom: var(--spacing-8);
}

.cd-chip {
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-2);
    padding: var(--spacing-2) var(--spacing-4);
    border-radius: var(--radius-full);
    border: 1px solid var(--color-border);
    background: rgba(28, 37, 48, 0.6);
    -webkit-backdrop-filter: blur(8px);
    backdrop-filter: blur(8px);
    font-size: var(--text-sm);
    font-weight: 500;
    color: var(--color-on-surface-secondary);
}

.cd-chip svg {
    flex-shrink: 0;
    color: var(--color-primary);
}

.cd-chip--accent {
    border-color: rgba(77, 163, 224, 0.45);
    background: rgba(77, 163, 224, 0.12);
    color: var(--color-primary-light);
    font-weight: 600;
}

.cd-hero__presenters {
    display: flex;
    /* Top-aligned, not centred: the block now carries a credentials line and the
       teaching record, so the icon belongs next to the first line. */
    align-items: flex-start;
    gap: var(--spacing-3);
    margin-bottom: var(--spacing-8);
    padding: var(--spacing-4) var(--spacing-5);
    border-left: 3px solid var(--color-primary);
    border-radius: 0 var(--radius-md) var(--radius-md) 0;
    background: linear-gradient(90deg, rgba(77, 163, 224, 0.10) 0%, transparent 100%);
    font-size: var(--text-sm);
    color: var(--color-on-surface-secondary);
    max-width: 38rem;
}

.cd-hero__presenters-label {
    display: block;
}

.cd-hero__presenters-list {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-2);
    margin-top: var(--spacing-3);
    padding-top: var(--spacing-3);
    border-top: 1px solid rgba(77, 163, 224, 0.18);
    list-style: none;
}

.cd-hero__presenters-list li {
    position: relative;
    padding-left: var(--spacing-4);
    font-size: var(--text-xs);
    line-height: 1.55;
    color: var(--color-on-surface-muted);
}

.cd-hero__presenters-list li::before {
    content: '';
    position: absolute;
    left: 0;
    top: 0.55em;
    width: 4px;
    height: 4px;
    border-radius: var(--radius-full);
    background: var(--color-primary);
}

/* When the speakers have different records, each gets a named block. The rule
   above already draws the divider, so only the first group needs one here. */
.cd-hero__presenters-groups {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-4);
    margin-top: var(--spacing-3);
    padding-top: var(--spacing-3);
    border-top: 1px solid rgba(77, 163, 224, 0.18);
}

.cd-hero__presenters-groups .cd-hero__presenters-list {
    margin-top: var(--spacing-2);
    padding-top: 0;
    border-top: 0;
}

.cd-hero__presenters-group-name {
    display: block;
    font-size: var(--text-xs);
    font-weight: 700;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    color: var(--color-primary);
}

@media (min-width: 560px) {
    .cd-hero__presenters-groups {
        flex-direction: row;
        gap: var(--spacing-6);
    }
    .cd-hero__presenters-group {
        flex: 1 1 0;
        min-width: 0;
    }
}

.cd-hero__presenters strong {
    display: block;
    color: var(--color-on-surface);
    font-size: var(--text-base);
    font-weight: 600;
}

.cd-hero__presenters-creds {
    display: block;
    margin-top: 2px;
    font-style: normal;
    font-size: var(--text-sm);
    line-height: 1.5;
    color: var(--color-on-surface-secondary);
}

.cd-hero__presenters svg {
    flex-shrink: 0;
    color: var(--color-primary);
}

.cd-hero__actions {
    display: flex;
    flex-wrap: wrap;
    gap: var(--spacing-4);
}

@media (max-width: 479px) {
    .cd-hero__actions .btn {
        width: 100%;
    }
}

/* Poster frame */
.cd-hero__frame {
    position: relative;
    justify-self: center;
    max-width: 420px;
    width: 100%;
}

.cd-hero__frame::after {
    content: '';
    position: absolute;
    inset: -24px;
    border-radius: var(--radius-xl);
    background: radial-gradient(circle at 50% 40%, rgba(77, 163, 224, 0.28) 0%, transparent 65%);
    filter: blur(28px);
    z-index: -1;
}

.cd-hero__frame img {
    width: 100%;
    height: auto;
    border-radius: var(--radius-lg);
    border: 1px solid var(--color-border);
    box-shadow: var(--shadow-xl);
    transform: rotate(-1.5deg);
    transition: transform var(--transition-slow), box-shadow var(--transition-slow);
}

.cd-hero__frame:hover img {
    transform: rotate(0deg) translateY(-4px);
    box-shadow: 0 28px 60px -12px rgba(0, 0, 0, 0.7), 0 0 0 1px rgba(77, 163, 224, 0.3);
}

.cd-hero__ribbon {
    position: absolute;
    left: -12px;
    bottom: 24px;
    z-index: 2;
    display: inline-flex;
    flex-direction: column;
    padding: var(--spacing-3) var(--spacing-5);
    border-radius: var(--radius-md);
    background: var(--color-primary);
    color: #fff;
    box-shadow: 0 8px 24px rgba(42, 122, 191, 0.45);
}

.cd-hero__ribbon span {
    font-size: var(--text-xs);
    letter-spacing: 0.14em;
    text-transform: uppercase;
    opacity: 0.85;
}

.cd-hero__ribbon strong {
    font-size: var(--text-xl);
    font-weight: 800;
    line-height: 1.2;
}

/* --- Fact strip --- */
.cd-facts {
    position: relative;
    z-index: 3;
    background: var(--color-surface-alt);
    border-top: 1px solid var(--color-border-light);
    border-bottom: 1px solid var(--color-border-light);
}

.cd-facts__grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
}

@media (min-width: 900px) {
    .cd-facts__grid {
        grid-template-columns: repeat(4, 1fr);
    }
}

.cd-fact {
    display: flex;
    align-items: flex-start;
    gap: var(--spacing-4);
    padding: var(--spacing-6) var(--spacing-5);
    border-right: 1px solid var(--color-border-light);
    border-bottom: 1px solid var(--color-border-light);
}

@media (min-width: 900px) {
    .cd-fact {
        border-bottom: none;
    }

    .cd-fact:last-child {
        border-right: none;
    }
}

@media (max-width: 899px) {
    .cd-fact:nth-child(2n) {
        border-right: none;
    }

    .cd-fact:nth-last-child(-n + 2) {
        border-bottom: none;
    }
}

.cd-fact__icon {
    flex-shrink: 0;
    display: grid;
    place-items: center;
    width: 40px;
    height: 40px;
    border-radius: var(--radius-md);
    background: rgba(77, 163, 224, 0.12);
    color: var(--color-primary);
}

.cd-fact__label {
    display: block;
    font-size: var(--text-xs);
    font-weight: 600;
    letter-spacing: 0.12em;
    text-transform: uppercase;
    color: var(--color-on-surface-muted);
    margin-bottom: var(--spacing-1);
}

.cd-fact__value {
    display: block;
    font-size: var(--text-sm);
    font-weight: 600;
    line-height: 1.4;
    color: var(--color-on-surface);
}

.cd-fact__note {
    display: block;
    margin-top: var(--spacing-1);
    font-size: var(--text-xs);
    line-height: 1.5;
    color: var(--color-on-surface-muted);
}

/* --- Sticky section nav --- */
.cd-subnav {
    position: sticky;
    top: var(--header-height);
    z-index: 40;
    background: rgba(15, 20, 25, 0.88);
    -webkit-backdrop-filter: blur(20px);
    backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--color-border-light);
}

.cd-subnav__list {
    display: flex;
    gap: var(--spacing-2);
    overflow-x: auto;
    scrollbar-width: none;
    -ms-overflow-style: none;
}

.cd-subnav__list::-webkit-scrollbar {
    display: none;
}

.cd-subnav__link {
    position: relative;
    flex-shrink: 0;
    padding: var(--spacing-4) var(--spacing-4);
    font-size: var(--text-sm);
    font-weight: 600;
    color: var(--color-on-surface-secondary);
    white-space: nowrap;
    transition: color var(--transition-fast);
}

.cd-subnav__link::after {
    content: '';
    position: absolute;
    left: var(--spacing-4);
    right: var(--spacing-4);
    bottom: 0;
    height: 2px;
    border-radius: var(--radius-full);
    background: var(--color-primary);
    transform: scaleX(0);
    transition: transform var(--transition-base);
}

.cd-subnav__link:hover {
    color: var(--color-on-surface);
}

.cd-subnav__link:focus-visible {
    outline: 2px solid var(--color-primary);
    outline-offset: -4px;
    border-radius: var(--radius-sm);
}

.cd-subnav__link--active {
    color: var(--color-primary-light);
}

.cd-subnav__link--active::after {
    transform: scaleX(1);
}

/* --- Content layout --- */
.cd-content {
    padding: var(--spacing-16) 0 var(--spacing-20);
}

.cd-content__grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--spacing-12);
    align-items: start;
}

@media (min-width: 1024px) {
    .cd-content__grid {
        grid-template-columns: minmax(0, 1fr) 340px;
        gap: var(--spacing-16);
    }
}

.cd-section {
    scroll-margin-top: calc(var(--header-height) + 72px);
    padding-bottom: var(--spacing-16);
}

.cd-section:last-child {
    padding-bottom: 0;
}

.cd-eyebrow {
    display: inline-block;
    font-size: var(--text-xs);
    font-weight: 700;
    letter-spacing: 0.18em;
    text-transform: uppercase;
    color: var(--color-primary);
    margin-bottom: var(--spacing-3);
}

.cd-h2 {
    font-size: clamp(1.75rem, 3.5vw, var(--text-4xl));
    font-weight: 700;
    line-height: 1.15;
    letter-spacing: -0.02em;
    color: var(--color-on-surface);
    margin-bottom: var(--spacing-6);
}

.cd-lede {
    font-size: var(--text-lg);
    line-height: 1.75;
    color: var(--color-on-surface);
    margin-bottom: var(--spacing-5);
}

.cd-text {
    font-size: var(--text-base);
    line-height: 1.8;
    color: var(--color-on-surface-secondary);
}

/* Video beside the objectives — the clip is 9:16, so a full-width row would
   leave a tall gap next to it. Stacks on narrow screens. */
.cd-split {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--spacing-12);
    align-items: start;
    padding-bottom: var(--spacing-16);
}

/* Two ranges, not one: between 1024px and 1200px the enrolment card claims its
   340px column, which would squeeze the objectives down to ~5 words per line.
   In that band the two go back to stacking. */
@media (min-width: 900px) and (max-width: 1023.98px), (min-width: 1200px) {
    .cd-split {
        grid-template-columns: minmax(0, 320px) minmax(0, 1fr);
        gap: var(--spacing-10);
    }
}

/* The wrapper owns the rhythm now, so the two nested sections drop theirs. */
.cd-split > .cd-section {
    padding-bottom: 0;
}

/* This column carries no heading, so centring it against the taller video
   column reads better than letting it hang off the top. */
.cd-split__aside {
    align-self: center;
}

/* Both columns start at the same baseline even though the left heading is
   shorter, so the objectives line up with the top of the clip. */
.cd-split .cd-h2 {
    font-size: clamp(1.5rem, 2.6vw, var(--text-3xl));
}

/* Course video — vertical 9:16 clip. Caption sits under the frame while the
   objectives occupy the space to the right. */
.cd-video {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-4);
}

/* The complement of the .cd-split ranges above: wherever the objectives drop
   below the video, the caption moves beside it so the row isn't half empty. */
@media (min-width: 768px) and (max-width: 899.98px),
       (min-width: 1024px) and (max-width: 1199.98px) {
    .cd-video {
        display: grid;
        grid-template-columns: minmax(0, 320px) minmax(0, 1fr);
        gap: var(--spacing-8);
        align-items: center;
    }
}

.cd-video__frame {
    position: relative;
    max-width: 320px;
    width: 100%;
}

.cd-video__frame::after {
    content: '';
    position: absolute;
    inset: -18px;
    z-index: -1;
    border-radius: var(--radius-xl);
    background: radial-gradient(circle at 50% 45%, rgba(77, 163, 224, 0.22) 0%, transparent 65%);
    filter: blur(24px);
}

.cd-video__player {
    display: block;
    width: 100%;
    height: auto;
    aspect-ratio: 9 / 16;
    border-radius: var(--radius-lg);
    border: 1px solid var(--color-border);
    background: #000;
    box-shadow: var(--shadow-xl);
}

.cd-video__caption {
    font-size: var(--text-sm);
    line-height: 1.7;
    color: var(--color-on-surface-secondary);
}

/* Objectives — numbered list */
.cd-goals__intro {
    font-size: var(--text-base);
    line-height: 1.8;
    color: var(--color-on-surface);
    margin-bottom: var(--spacing-5);
}

.cd-goals {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-4);
    max-width: 44rem;
    /* Own counter rather than the default marker, so the number can be
       brand-coloured and hang outside the text block. */
    list-style: none;
    counter-reset: cd-goal;
}

.cd-goal {
    position: relative;
    padding-left: 2.25rem;
    font-size: var(--text-base);
    line-height: 1.8;
    color: var(--color-on-surface-secondary);
}

.cd-goals__note {
    max-width: 44rem;
    margin-top: var(--spacing-5);
    font-size: var(--text-base);
    line-height: 1.8;
    color: var(--color-on-surface-secondary);
}

/* Day-by-day plan — sits beside the video */
.cd-days {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-6);
    list-style: none;
}

.cd-day {
    border-left: 2px solid rgba(77, 163, 224, 0.35);
    padding-left: var(--spacing-5);
}

/* No video to sit beside: the plan takes the full column, so the days go
   side by side instead of stacking into one very tall strip. */
@media (min-width: 700px) {
    .cd-days--wide .cd-days {
        display: grid;
        grid-template-columns: repeat(3, minmax(0, 1fr));
        gap: var(--spacing-6);
    }
}

.cd-day__label {
    display: block;
    font-size: var(--text-xs);
    font-weight: 700;
    letter-spacing: 0.18em;
    text-transform: uppercase;
    color: var(--color-primary);
    margin-bottom: var(--spacing-2);
}

.cd-day__title {
    font-size: var(--text-lg);
    font-weight: 600;
    line-height: 1.35;
    color: var(--color-on-surface);
    margin-bottom: var(--spacing-2);
}

.cd-day__text {
    font-size: var(--text-base);
    line-height: 1.7;
    color: var(--color-on-surface-secondary);
}

.cd-goal::before {
    counter-increment: cd-goal;
    content: counter(cd-goal) ".";
    position: absolute;
    left: 0;
    top: 0;
    font-weight: 700;
    font-variant-numeric: tabular-nums;
    color: var(--color-primary);
}

/* Temario — timeline */
.cd-timeline {
    position: relative;
}

.cd-tl {
    position: relative;
    display: grid;
    grid-template-columns: 44px minmax(0, 1fr);
    column-gap: var(--spacing-5);
    padding-bottom: var(--spacing-6);
}

.cd-tl:last-child {
    padding-bottom: 0;
}

.cd-tl::before {
    content: '';
    position: absolute;
    left: 21px;
    top: 48px;
    bottom: 0;
    width: 2px;
    background: linear-gradient(180deg, var(--color-border) 0%, var(--color-border-light) 100%);
}

.cd-tl:last-child::before {
    display: none;
}

.cd-tl__marker {
    display: grid;
    place-items: center;
    width: 44px;
    height: 44px;
    border-radius: 50%;
    border: 1px solid var(--color-border);
    background: var(--color-surface-alt);
    font-size: var(--text-sm);
    font-weight: 700;
    color: var(--color-primary);
    transition: border-color var(--transition-base), background var(--transition-base), color var(--transition-base);
}

.cd-tl:hover .cd-tl__marker {
    border-color: var(--color-primary);
    background: var(--color-primary);
    color: #fff;
}

.cd-tl__body {
    padding: var(--spacing-5) var(--spacing-6);
    border: 1px solid var(--color-border-light);
    border-radius: var(--radius-lg);
    background: var(--color-surface-alt);
    transition: border-color var(--transition-base);
}

.cd-tl:hover .cd-tl__body {
    border-color: rgba(77, 163, 224, 0.35);
}

.cd-tl__title {
    font-size: var(--text-lg);
    font-weight: 600;
    line-height: 1.35;
    color: var(--color-on-surface);
    margin-bottom: var(--spacing-2);
}

.cd-tl__text {
    font-size: var(--text-sm);
    line-height: 1.7;
    color: var(--color-on-surface-secondary);
}

/* --- Aside: enrollment card --- */
@media (min-width: 1024px) {
    .cd-aside {
        position: sticky;
        top: calc(var(--header-height) + var(--spacing-16));
    }
}

.cd-enroll {
    position: relative;
    padding: var(--spacing-6);
    border-radius: var(--radius-lg);
    border: 1px solid var(--color-border);
    background: linear-gradient(180deg, var(--color-surface-alt) 0%, var(--color-surface) 100%);
    box-shadow: var(--shadow-lg);
}

.cd-enroll::before {
    content: '';
    position: absolute;
    top: 0;
    left: var(--spacing-6);
    right: var(--spacing-6);
    height: 2px;
    border-radius: var(--radius-full);
    background: linear-gradient(90deg, transparent, var(--color-primary), transparent);
}

.cd-enroll__head {
    display: flex;
    align-items: center;
    gap: var(--spacing-2);
    font-size: var(--text-xs);
    font-weight: 700;
    letter-spacing: 0.14em;
    text-transform: uppercase;
    color: var(--color-primary);
    margin-bottom: var(--spacing-5);
}

.cd-enroll__price {
    padding-bottom: var(--spacing-5);
    margin-bottom: var(--spacing-5);
    border-bottom: 1px solid var(--color-border-light);
}

.cd-enroll__price span {
    display: block;
    font-size: var(--text-xs);
    font-weight: 600;
    letter-spacing: 0.12em;
    text-transform: uppercase;
    color: var(--color-on-surface-muted);
    margin-bottom: var(--spacing-1);
}

.cd-enroll__price strong {
    font-size: var(--text-3xl);
    font-weight: 800;
    letter-spacing: -0.02em;
    color: var(--color-on-surface);
}

.cd-enroll__rows {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-3);
    margin-bottom: var(--spacing-6);
}

.cd-enroll__row {
    display: flex;
    align-items: baseline;
    justify-content: space-between;
    gap: var(--spacing-4);
    font-size: var(--text-sm);
}

.cd-enroll__row > span {
    flex-shrink: 0;
    color: var(--color-on-surface-muted);
}

.cd-enroll__row > strong {
    text-align: right;
    font-weight: 600;
    color: var(--color-on-surface);
}

.cd-enroll__note {
    margin-top: calc(var(--spacing-2) * -1);
    font-size: var(--text-xs);
    line-height: 1.5;
    text-align: right;
    color: var(--color-on-surface-muted);
}

.cd-enroll__trust {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-2);
    margin-top: var(--spacing-4);
    font-size: var(--text-xs);
    color: var(--color-on-surface-muted);
    text-align: center;
}

.cd-enroll__trust svg {
    flex-shrink: 0;
    color: var(--color-success);
}

.cd-textlink {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 100%;
    gap: var(--spacing-2);
    margin-top: var(--spacing-4);
    font-size: var(--text-sm);
    font-weight: 600;
    color: var(--color-primary);
    transition: color var(--transition-fast);
}

.cd-textlink:hover {
    color: var(--color-primary-light);
}

.cd-textlink:focus-visible {
    outline: 2px solid var(--color-primary);
    outline-offset: 3px;
    border-radius: var(--radius-sm);
}

/* --- Motion preferences --- */
@media (prefers-reduced-motion: reduce) {
    .cd-hero__frame img,
    .cd-hero__frame:hover img {
        transform: none;
        transition: none;
    }
}

.contact-section {
    padding: var(--spacing-16) 0 var(--spacing-20);
}

.contact__grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--spacing-12);
    max-width: 42rem;
    margin-inline: auto;
}

.contact__cta {
    margin-top: var(--spacing-10);
}

.contact__info-items {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-6);
    margin-top: var(--spacing-8);
}

.contact__info-item {
    display: flex;
    gap: var(--spacing-4);
    align-items: flex-start;
}

.contact__info-item h3 {
    font-size: var(--text-base);
    font-weight: 600;
    color: var(--color-on-surface);
    margin-bottom: var(--spacing-1);
}

.contact__info-item p {
    font-size: var(--text-sm);
    color: var(--color-on-surface-secondary);
}

.contact__info-link {
    color: var(--color-primary-light);
    transition: color var(--transition-fast);
}

.contact__info-link:hover {
    color: var(--color-primary);
    text-decoration: underline;
}

.footer {
    background: #070b10;
    color: rgba(255, 255, 255, 0.65);
    padding: var(--spacing-16) 0 var(--spacing-8);
}

.footer__grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--spacing-10);
    margin-bottom: var(--spacing-12);
}

@media (min-width: 768px) {
    .footer__grid {
        grid-template-columns: 2fr 1fr 1fr 1fr;
    }
}

.footer__brand .nav__logo {
    color: #fff;
    margin-bottom: var(--spacing-4);
}

.footer__brand-desc {
    font-size: var(--text-sm);
    line-height: 1.7;
    max-width: 280px;
}

.footer__heading {
    font-size: var(--text-sm);
    font-weight: 700;
    color: #fff;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    margin-bottom: var(--spacing-4);
}

.footer__list {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-2);
}

.footer__list li {
    font-size: var(--text-sm);
}

.footer__list a {
    transition: color var(--transition-fast);
}

.footer__list a:hover {
    color: var(--color-accent-light);
}

.footer__bottom-links a:hover {
    color: var(--color-accent-light);
}

.footer__bottom {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding-top: var(--spacing-8);
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    font-size: var(--text-sm);
    flex-wrap: wrap;
    gap: var(--spacing-4);
}

.footer__bottom-links {
    display: flex;
    gap: var(--spacing-6);
}

.footer__bottom-links a {
    transition: color var(--transition-fast);
}

.footer__bottom-links a:hover {
    color: var(--color-primary-light);
}

.fade-in {
    opacity: 0;
    transform: translateY(24px);
    transition: opacity 0.6s ease, transform 0.6s ease;
}

.fade-in--visible {
    opacity: 1;
    transform: translateY(0);
}

@media (prefers-reduced-motion: reduce) {
    .fade-in {
        opacity: 1;
        transform: none;
        transition: none;
    }

    * {
        transition-duration: 0.01ms !important;
        animation-duration: 0.01ms !important;
    }
}

.overlay {
    display: none;
    position: fixed;
    inset: 0;
    background: rgba(0, 0, 0, 0.6);
    z-index: 104;
}

.overlay--active {
    display: block;
}

@media (min-width: 1024px) {
    .overlay {
        display: none !important;
    }
}

.course-card__image-placeholder {
    position: relative;
}

.course-card__image-placeholder::after {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(180deg, transparent 50%, rgba(0, 0, 0, 0.4) 100%);
}

::-webkit-scrollbar {
    width: 8px;
}

::-webkit-scrollbar-track {
    background: var(--color-surface);
}

::-webkit-scrollbar-thumb {
    background: var(--color-surface-muted);
    border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
    background: var(--color-primary);
}

.about-page__mission {
    padding: var(--spacing-24) 0;
    background: var(--color-surface);
}

.about-page__mission-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--spacing-12);
    align-items: start;
}

@media (min-width: 1024px) {
    .about-page__mission-grid {
        grid-template-columns: 1.2fr 1fr;
    }
}

.about-page__mission-content .section-tag {
    display: block;
}

.about-page__lead-text {
    font-size: var(--text-xl);
    color: var(--color-on-surface);
    line-height: 1.7;
    margin-bottom: var(--spacing-6);
    font-weight: 500;
}

.about-page__body-text {
    font-size: var(--text-lg);
    color: var(--color-on-surface-secondary);
    line-height: 1.8;
    margin-bottom: var(--spacing-5);
}

.about-page__mission-visual {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-4);
}

.about-page__value-card {
    display: flex;
    gap: var(--spacing-4);
    padding: var(--spacing-5) var(--spacing-6);
    background: var(--color-surface-alt);
    border-radius: var(--radius-lg);
    border: 1px solid var(--color-border-light);
    transition: transform var(--transition-base), box-shadow var(--transition-base);
}

.about-page__value-card:hover {
    transform: translateX(8px);
    box-shadow: var(--shadow-md);
}

.about-page__value-icon {
    flex-shrink: 0;
    width: 52px;
    height: 52px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--color-surface-muted);
    border-radius: var(--radius-md);
}

.about-page__value-card--1 .about-page__value-icon {
    color: var(--color-primary);
    background: rgba(77, 163, 224, 0.12);
}

.about-page__value-card--2 .about-page__value-icon {
    color: var(--color-accent);
    background: rgba(107, 184, 235, 0.12);
}

.about-page__value-card--3 .about-page__value-icon {
    color: var(--color-success);
    background: rgba(76, 175, 80, 0.12);
}

.about-page__value-card--4 .about-page__value-icon {
    color: var(--color-primary-dark);
    background: rgba(42, 122, 191, 0.12);
}

.about-page__value-title {
    font-size: var(--text-base);
    font-weight: 600;
    color: var(--color-on-surface);
    margin-bottom: var(--spacing-1);
}

.about-page__value-desc {
    font-size: var(--text-sm);
    color: var(--color-on-surface-muted);
    line-height: 1.6;
}

.about-page__pillars {
    padding: var(--spacing-24) 0;
    background: var(--color-surface-alt);
}

.about-page__pillars-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--spacing-6);
}

@media (min-width: 640px) {
    .about-page__pillars-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (min-width: 1024px) {
    .about-page__pillars-grid {
        grid-template-columns: repeat(4, 1fr);
    }
}

.about-page__pillar {
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    padding: var(--spacing-8) var(--spacing-6);
    text-align: center;
    transition: transform var(--transition-base), box-shadow var(--transition-base);
}

.about-page__pillar:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
}

.about-page__pillar-icon {
    width: 64px;
    height: 64px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto var(--spacing-5);
    background: rgba(77, 163, 224, 0.1);
    border-radius: var(--radius-lg);
    color: var(--color-primary);
}

.about-page__pillar-title {
    font-size: var(--text-lg);
    font-weight: 600;
    color: var(--color-on-surface);
    margin-bottom: var(--spacing-2);
}

.about-page__pillar-desc {
    font-size: var(--text-sm);
    color: var(--color-on-surface-secondary);
    line-height: 1.6;
}

/* ==========================================================================
   Auspiciadores del curso
   Las dos marcas entregan su logotipo a color pensado para fondo blanco, así
   que cada uno va sobre una placa clara: se leen bien sobre la página oscura
   sin tener que recolorear la marca de nadie.
   ========================================================================== */
.cd-sponsors {
    padding: var(--spacing-16) 0 var(--spacing-20);
    background: var(--color-surface-alt);
    border-top: 1px solid var(--color-border-light);
}

.cd-sponsors__head {
    max-width: 46rem;
    margin-bottom: var(--spacing-10);
}

.cd-sponsors__title {
    font-size: clamp(1.5rem, 3vw, var(--text-3xl));
    font-weight: 700;
    line-height: 1.2;
    letter-spacing: -0.02em;
    color: var(--color-on-surface);
    margin-bottom: var(--spacing-3);
}

.cd-sponsors__intro {
    font-size: var(--text-base);
    line-height: 1.8;
    color: var(--color-on-surface-secondary);
}

.cd-sponsors__grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--spacing-6);
    list-style: none;
}

@media (min-width: 600px) {
    .cd-sponsors__grid {
        grid-template-columns: repeat(2, minmax(0, 340px));
    }
}

.cd-sponsor__tile {
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: 150px;
    padding: var(--spacing-8) var(--spacing-10);
    background: #fff;
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    transition: transform var(--transition-base), box-shadow var(--transition-base);
}

/* Los dos logotipos tienen proporciones casi idénticas, así que un ancho
   común los deja ópticamente del mismo tamaño sin deformar ninguno. */
.cd-sponsor__tile img {
    width: 100%;
    max-width: 220px;
    height: auto;
}

a.cd-sponsor__tile:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
}

a.cd-sponsor__tile:focus-visible {
    outline: 2px solid var(--color-primary);
    outline-offset: 3px;
}