/* Reset & Base */
* {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

body {
    font-family: var(--font-family-base);
    color: var(--color-text-main);
    line-height: var(--line-height-base);
    background-color: var(--color-light);
    -webkit-font-smoothing: antialiased;
}

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

a {
    text-decoration: none;
    color: inherit;
    transition: color var(--transition-fast);
}

ul {
    list-style: none;
}

/* Utilities */
.container {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--space-2);
}

/* Button Updates */
.mads-button {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 14px 28px;
    /* Increased padding */
    border-radius: var(--radius-pill);
    font-weight: var(--font-weight-bold);
    font-size: 13px;
    cursor: pointer;
    transition: all var(--transition-normal);
    border: none;
    gap: var(--space-1);
    white-space: nowrap;
    /* Force single line */
}

.mads-button--primary {
    background-color: var(--color-primary);
    color: var(--color-text-main);
}

.mads-button--primary:hover {
    background-color: var(--color-primary-hover);
    transform: translateY(-1px);
}

.mads-button--black {
    background-color: var(--color-dark);
    /* Softer dark #333 */
    color: var(--color-light);
}

.mads-button--black:hover {
    background-color: #000000;
    transform: translateY(-1px);
}

.mads-tag {
    display: inline-block;
    padding: 4px 12px;
    border-radius: var(--radius-pill);
    font-size: 12px;
    font-weight: var(--font-weight-bold);
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

/* Text Link CTA (Ghost Button) */
.mads-cta-link {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    font-size: 18px;
    /* Bigger as requested */
    font-weight: var(--font-weight-bold);
    color: var(--color-text-main);
    text-decoration: none;
    background: none;
    border: none;
    padding: var(--space-2) 0;
    cursor: pointer;
    transition: color var(--transition-fast);
}

.mads-cta-link:hover {
    color: #002E73;
    /* Meli Blue interaction */
}

.mads-cta-link .material-icons-outlined {
    transition: transform var(--transition-normal);
    font-size: 20px !important;
}

.mads-cta-link:hover .material-icons-outlined {
    transform: translateX(6px);
    /* Arrow movement */
}

/* Header */
.mads-header {
    background-color: var(--color-light);
    border-bottom: 1px solid var(--color-border-light);
    position: sticky;
    top: 0;
    z-index: 100;
    height: 64px;
    display: flex;
    align-items: center;
}

.mads-header__container {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.mads-logo {
    display: flex;
    align-items: center;
    gap: var(--space-1);
    font-weight: var(--font-weight-bold);
    font-size: 18px;
    color: #002E73;
    /* Meli Blue or Dark */
}

.mads-logo__icon {
    width: 32px;
    height: 32px;
    background-color: var(--color-primary);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
}

.mads-nav {
    display: none;
}

@media (min-width: 768px) {
    .mads-nav {
        display: flex;
        gap: var(--space-4);
    }
}

.mads-nav__link {
    font-size: 14px;
    font-weight: var(--font-weight-medium);
    color: var(--color-text-secondary);
}

.mads-nav__link:hover,
.mads-nav__link--active {
    color: #002E73;
    /* Meli Blue */
    color: var(--color-primary);
    /* Or Primary depending on exact brandbook usage for links, keeping consistent with snippet */
    color: #3483FA;
    /* Mercado Libre Blue link color usually */
}

.mads-nav__link--active {
    border-bottom: 2px solid var(--color-primary);
    color: #000;
}


/* Hero Section */
.mads-hero {
    background-color: var(--color-primary);
    background-image: url('../images/hero-bg.png');
    background-position: center right;
    background-size: cover;
    background-repeat: no-repeat;
    padding: calc(var(--space-10) * 1.5) 0;
    text-align: left;
    color: var(--color-dark);
}

.mads-hero__title {
    font-size: 32px;
    font-weight: var(--font-weight-bold);
    color: var(--color-dark);
    margin-bottom: var(--space-3);
    line-height: 1.1;
    max-width: 600px;
}

@media (min-width: 768px) {
    .mads-hero__title {
        font-size: 55px;
    }
}

.mads-hero__description {
    font-size: 18px;
    max-width: 600px;
    margin: 0;
    color: var(--color-text-main);
    line-height: 1.6;
}

/* Promo Cards Section */
.mads-promo {
    padding: var(--space-8) 0;
    background-color: var(--color-light);
}

.mads-promo__grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--space-4);
    max-width: 1000px;
    margin: 0 auto;
}

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

.mads-card-promo {
    border-radius: var(--radius-lg);
    padding: var(--space-6) var(--space-4);
    text-align: center;
    position: relative;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: space-between;
    min-height: 300px;
    transition: box-shadow var(--transition-normal);
}

.mads-card-promo:hover {
    box-shadow: var(--shadow-hover);
}

.mads-card-promo--white {
    background-color: var(--color-light);
    border: 1px solid var(--color-border-light);
    box-shadow: var(--shadow-card);
}

.mads-card-promo--yellow {
    background-color: var(--color-primary);
    border: 1px solid var(--color-primary);
    box-shadow: var(--shadow-card);
}

.mads-card-promo__tag {
    position: absolute;
    top: 0;
    left: 50%;
    transform: translate(-50%, -50%);
    background-color: #F5F5F5;
    padding: 8px 16px;
    border-radius: var(--radius-pill);
    font-weight: var(--font-weight-bold);
    font-size: 12px;
    text-transform: uppercase;
    border: 1px solid var(--color-border-light);
    white-space: nowrap;
}

.mads-card-promo--yellow .mads-card-promo__tag {
    background-color: #000000;
    color: #FFFFFF;
    border-color: #000000;
}

.mads-card-promo__text {
    margin-top: var(--space-4);
    font-size: 18px;
    line-height: 1.5;
    color: var(--color-text-main);
    max-width: 300px;
}

.mads-card-promo__action {
    margin-top: var(--space-4);
    width: 100%;
    max-width: 300px;
}

/* Levels Section */
.mads-levels {
    background-color: var(--color-bg-light);
    /* Or pure white depending on contrast preference, using light grey for separation */
    background-color: #FFFFFF;
    padding: var(--space-8) 0;
    text-align: center;
}

.mads-levels__header {
    margin-bottom: var(--space-6);
}

.mads-levels__title {
    font-size: 28px;
    font-weight: var(--font-weight-bold);
    margin-bottom: var(--space-2);
}

.mads-levels__subtitle {
    background-color: #FFFDF0;
    /* Light yellow bg */
    display: inline-block;
    padding: var(--space-3) var(--space-4);
    border-radius: var(--radius-sm);
    color: var(--color-text-main);
    border: 1px solid var(--color-primary);
    /* Yellow border */
    font-size: 16px;
    font-weight: var(--font-weight-medium);
}

.mads-levels__grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--space-3);
    margin-top: var(--space-4);
}

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

.mads-card-level {
    background-color: #FFFDF0;
    /* Light yellow to match subtitle */
    border: 2px solid var(--color-primary);
    /* Thicker yellow border to highlight more */
    border-radius: var(--radius-lg);
    padding: var(--space-4);
    display: flex;
    flex-direction: column;
    text-align: left;
    transition: box-shadow var(--transition-normal), transform var(--transition-fast);
}

.mads-card-level:hover {
    box-shadow: var(--shadow-hover);
    transform: translateY(-4px);
}

.mads-card-level__header {
    text-align: center;
    margin-bottom: var(--space-4);
}

.mads-card-level__badge {
    background-color: var(--color-primary);
    /* Changed to Yellow */
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-1);
    padding: 8px 24px;
    border-radius: var(--radius-pill);
    font-weight: var(--font-weight-bold);
    font-size: 14px;
    color: var(--color-text-main);
}

.mads-card-level__stars {
    color: #FDBF00;
    /* Star yellow sometimes different from brand yellow, usually darker/orange-ish */
}

.mads-card-level__body {
    flex-grow: 1;
}

.mads-card-level__desc-tbc {
    font-family: monospace;
    font-size: 12px;
    color: var(--color-text-secondary);
    margin-bottom: var(--space-1);
}

.mads-card-level__desc {
    font-size: 16px;
    font-weight: var(--font-weight-medium);
    margin-bottom: var(--space-4);
    color: var(--color-text-main);
}

.mads-card-level__footer {
    border-top: 1px solid var(--color-border-light);
    padding-top: var(--space-3);
    margin-top: auto;
}

.mads-card-level__req-label {
    font-size: 12px;
    color: var(--color-text-secondary);
    margin-bottom: 4px;
}

.mads-card-level__medal-name {
    font-weight: var(--font-weight-bold);
    display: flex;
    align-items: center;
    gap: var(--space-1);
}

/* Skills/Routes Section */
.mads-skills {
    background-color: var(--color-bg-light);
    padding: var(--space-8) 0;
}

.mads-skills__title {
    text-align: center;
    font-size: 28px;
    font-weight: var(--font-weight-bold);
    margin-bottom: var(--space-2);
}

.mads-skills__description {
    text-align: center;
    color: var(--color-text-secondary);
    max-width: 700px;
    margin: 0 auto var(--space-6);
}

.mads-skills__grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--space-3);
    margin-bottom: var(--space-6);
}

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

.mads-card-skill {
    background-color: #FFFDF0;
    /* Light yellow to match subtitle */
    border: 1px solid var(--color-primary);
    /* Yellow border */
    border-radius: var(--radius-lg);
    padding: var(--space-4);
    display: flex;
    flex-direction: column;
    transition: box-shadow var(--transition-normal);
}

.mads-card-skill:hover {
    box-shadow: var(--shadow-md);
}

.mads-card-skill__badge {
    background-color: var(--color-primary);
    /* Changed to Yellow */
    text-align: center;
    padding: 8px;
    border-radius: var(--radius-pill);
    font-weight: var(--font-weight-bold);
    margin-bottom: var(--space-3);
    width: 80%;
    margin-left: auto;
    margin-right: auto;
    color: var(--color-text-main);
}

.mads-card-skill__text {
    color: var(--color-text-secondary);
    margin-bottom: var(--space-3);
    flex-grow: 1;
}

.mads-card-skill__link {
    font-weight: var(--font-weight-bold);
    color: #002E73;
    /* Meli blue */
    text-decoration: none;
}

.mads-card-skill__link:hover {
    text-decoration: underline;
}

/* Certification Info Block */
.mads-cert-info {
    max-width: 900px;
    margin: 0 auto var(--space-6);
}

.mads-cert-info__header {
    background-color: #FFF059;
    /* Lighter yellow or primary? "bg-primary/90" in tailwind. Let's use primary with slight opacity if needed or just primary */
    background-color: var(--color-primary);
    padding: var(--space-2);
    border-left: 6px solid #B08C00;
    /* Darker yellow */
    font-weight: var(--font-weight-bold);
    margin-bottom: var(--space-2);
}

.mads-cert-info__item {
    background-color: var(--color-primary);
    padding: var(--space-2);
    margin-bottom: var(--space-1);
    border-radius: 4px;
    display: flex;
    gap: var(--space-1);
    align-items: center;
    flex-wrap: wrap;
}

.mads-cert-info__item strong {
    font-weight: var(--font-weight-bold);
}

.mads-skills__cta-container {
    text-align: center;
    margin-bottom: var(--space-6);
}

/* ... */

.mads-alert {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-2);
    padding: var(--space-4);
    /* Increased padding */
    border: 2px solid var(--color-primary);
    /* Thicker yellow border */
    background-color: #FFFDF0;
    /* Light yellow background */
    border-radius: var(--radius-md);
    /* Slightly more rounded */
    max-width: 800px;
    margin: 0 auto;
    box-shadow: var(--shadow-sm);
    /* Subtle shadow */
}

/* Button Updates (Reverted & Softened) */
.mads-button--black {
    background-color: #4A4A4A;
    /* Softer Dark Grey */
    color: var(--color-light);
}

.mads-button--black:hover {
    background-color: #222222;
    transform: translateY(-1px);
}

/* FAQ Section */
.mads-faq {
    background-color: var(--color-light);
    padding: var(--space-8) 0;
    border-top: 1px solid var(--color-border-light);
}

.mads-faq__title {
    font-size: 28px;
    font-weight: var(--font-weight-bold);
    margin-bottom: var(--space-4);
}

.mads-accordion {
    /* border: 1px solid var(--color-border-light);  Removed per requirement */
    /* border-radius: var(--radius-md); */
    overflow: hidden;
}

.mads-accordion__item {
    border-bottom: 1px solid var(--color-border-light);
}

.mads-accordion__item:last-child {
    border-bottom: none;
}

.mads-accordion__summary {
    list-style: none;
    /* Remove default triangle */
    padding: var(--space-3) var(--space-4);
    cursor: pointer;
    font-weight: var(--font-weight-medium);
    display: flex;
    justify-content: space-between;
    align-items: center;
    transition: background-color var(--transition-fast);
}

.mads-accordion__summary::-webkit-details-marker {
    display: none;
}

.mads-accordion__summary:hover {
    background-color: var(--color-bg-alt);
}

.mads-accordion__content {
    padding: var(--space-2) var(--space-6) var(--space-6);
    /* Increased padding */
    color: var(--color-text-secondary);
    line-height: 1.6;
    animation: fadeIn var(--transition-normal);
}

@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(-5px);
    }

    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.mads-accordion__icon {
    transition: transform var(--transition-fast);
}

.mads-accordion__item[open] .mads-accordion__icon {
    transform: rotate(180deg);
}

.mads-accordion__number {
    color: #999;
    font-family: monospace;
    width: 24px;
    display: inline-block;
}

/* Footer (Simple placeholder) */
.mads-footer {
    padding: var(--space-4);
    text-align: center;
    font-size: 12px;
    color: var(--color-text-secondary);
    border-top: 1px solid var(--color-border-light);
}