/* ==========================================================================
   Recursos Page — knowledge hub + royalty calculator
   ========================================================================== */

.recursos-page {
    padding-top: 100px;
    overflow-x: clip;
}

/* ----- Hero ----- */
.recursos-hero {
    position: relative;
    padding: 5rem 0 4rem;
    text-align: center;
    overflow: hidden;
}

.recursos-hero-eyebrow {
    display: inline-block;
    font-family: var(--font-heading);
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.25em;
    color: var(--color-silver-mid);
    padding: 0.5rem 1.25rem;
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 100px;
    margin-bottom: 1.5rem;
    background: rgba(255, 255, 255, 0.02);
    backdrop-filter: blur(6px);
    -webkit-backdrop-filter: blur(6px);
}

.recursos-hero-title {
    font-family: var(--font-heading);
    font-size: clamp(2.25rem, 6vw, 4.5rem);
    font-weight: 800;
    line-height: 1.05;
    letter-spacing: 0.01em;
    text-transform: uppercase;
    margin: 0 0 1.5rem;
    color: var(--color-text-primary);
}

.recursos-hero-desc {
    max-width: 640px;
    margin: 0 auto 2rem;
    color: var(--color-silver-mid);
    font-size: 1.05rem;
    line-height: 1.7;
}

.recursos-hero-anchors {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 1rem 1.75rem;
}

.recursos-hero-link {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    font-family: var(--font-heading);
    font-size: 0.85rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.15em;
    color: var(--color-silver-mid);
    padding: 0.65rem 1.25rem;
    border: 1px solid rgba(255, 255, 255, 0.12);
    border-radius: 100px;
    transition: border-color 0.3s ease, color 0.3s ease, transform 0.3s ease;
}

.recursos-hero-link:hover {
    color: var(--color-text-primary);
    border-color: rgba(255, 255, 255, 0.35);
    transform: translateY(-2px);
}

.recursos-hero-glow {
    position: absolute;
    top: 50%;
    left: 50%;
    width: 700px;
    height: 700px;
    transform: translate(-50%, -50%);
    background: radial-gradient(circle, rgba(255, 255, 255, 0.06) 0%, transparent 60%);
    pointer-events: none;
    z-index: -1;
}

/* ----- Section header (shared) ----- */
.recursos-section-header {
    text-align: center;
    margin-bottom: 3rem;
}

.recursos-section-eyebrow {
    display: inline-block;
    font-family: var(--font-heading);
    font-size: 0.7rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.3em;
    color: var(--color-silver-dark);
    margin-bottom: 1rem;
}

.recursos-section-title {
    font-family: var(--font-heading);
    font-size: clamp(1.75rem, 4vw, 2.75rem);
    font-weight: 700;
    line-height: 1.15;
    letter-spacing: 0.01em;
    color: var(--color-text-primary);
    margin: 0 0 1rem;
}

.recursos-section-desc {
    max-width: 600px;
    margin: 0 auto;
    color: var(--color-silver-mid);
    font-size: 1rem;
    line-height: 1.65;
}

/* ============================================================
   Categorías (5 cards)
   ============================================================ */
.recursos-cats-section {
    padding: 3rem 0 5rem;
}

.recursos-cats-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 1.5rem;
}

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

@media (min-width: 1024px) {
    .recursos-cats-grid { grid-template-columns: repeat(3, 1fr); gap: 2rem; }
}

.recursos-cat-card {
    position: relative;
    padding: 2.5rem 2rem 2rem;
    display: flex;
    flex-direction: column;
    gap: 0.85rem;
    transition: transform 0.4s cubic-bezier(0.25, 1, 0.5, 1),
                border-color 0.4s ease,
                box-shadow 0.4s ease;
    overflow: hidden;
}

.recursos-cat-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 1px;
    background: linear-gradient(90deg,
        transparent 0%,
        rgba(255, 255, 255, 0.4) 50%,
        transparent 100%);
    opacity: 0;
    transition: opacity 0.4s ease;
}

.recursos-cat-card:hover {
    transform: translateY(-6px);
    border-color: rgba(255, 255, 255, 0.18);
    box-shadow: 0 20px 50px rgba(0, 0, 0, 0.5),
                0 0 30px rgba(255, 255, 255, 0.04);
}

.recursos-cat-card:hover::before {
    opacity: 1;
}

.recursos-cat-num {
    position: absolute;
    top: 1.25rem;
    right: 1.5rem;
    font-family: var(--font-heading);
    font-size: 0.8rem;
    font-weight: 700;
    letter-spacing: 0.15em;
    color: var(--color-silver-dark);
    opacity: 0.6;
}

.recursos-cat-icon {
    font-size: 1.85rem;
    background: linear-gradient(135deg, #d8d8e0 0%, #909098 100%);
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
    width: fit-content;
    margin-bottom: 0.25rem;
}

.recursos-cat-title {
    font-family: var(--font-heading);
    font-size: 1.25rem;
    font-weight: 700;
    line-height: 1.2;
    letter-spacing: 0.01em;
    color: var(--color-text-primary);
    margin: 0;
}

.recursos-cat-desc {
    color: var(--color-silver-mid);
    font-size: 0.95rem;
    line-height: 1.6;
    margin: 0;
}

.recursos-cat-list {
    margin: 0.5rem 0 0;
    padding: 0;
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: 0.4rem;
}

.recursos-cat-list li {
    position: relative;
    padding-left: 1.1rem;
    font-size: 0.875rem;
    color: var(--color-silver-mid);
    line-height: 1.45;
}

.recursos-cat-list li::before {
    content: '';
    position: absolute;
    left: 0;
    top: 0.55rem;
    width: 5px;
    height: 5px;
    border-radius: 50%;
    background: linear-gradient(135deg, #d8d8e0 0%, #909098 100%);
    opacity: 0.7;
}

.recursos-cat-tag {
    margin-top: 0.85rem;
    align-self: flex-start;
    display: inline-block;
    font-family: var(--font-heading);
    font-size: 0.65rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.2em;
    color: var(--color-silver-dark);
    padding: 0.35rem 0.8rem;
    border: 1px solid rgba(255, 255, 255, 0.08);
    border-radius: 100px;
    background: rgba(255, 255, 255, 0.02);
}

/* ============================================================
   Calculadora de regalías
   ============================================================ */
.recursos-calc-section {
    padding: 4rem 0 5rem;
}

.calc-card {
    padding: 2rem 1.5rem;
    max-width: 960px;
    margin: 0 auto;
}

@media (min-width: 768px) {
    .calc-card { padding: 3rem 3rem 2.5rem; }
}

/* Mode tabs */
.calc-mode-tabs {
    display: inline-flex;
    padding: 0.35rem;
    border: 1px solid rgba(255, 255, 255, 0.08);
    border-radius: 100px;
    background: rgba(255, 255, 255, 0.02);
    margin-bottom: 2.25rem;
}

.calc-mode-tab {
    appearance: none;
    background: transparent;
    border: none;
    cursor: pointer;
    font-family: var(--font-heading);
    font-size: 0.78rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.18em;
    color: var(--color-silver-dark);
    padding: 0.55rem 1.25rem;
    border-radius: 100px;
    transition: color 0.3s ease, background 0.3s ease;
}

.calc-mode-tab:hover {
    color: var(--color-silver-mid);
}

.calc-mode-tab.is-active {
    color: #0a0a0c;
    background: linear-gradient(135deg, #f5f5f7 0%, #c5c5c5 100%);
}

/* Panes */
.calc-pane {
    display: none;
}

.calc-pane.is-active {
    display: block;
}

.calc-subhead {
    font-family: var(--font-heading);
    font-size: 0.72rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.25em;
    color: var(--color-silver-dark);
    margin: 1.75rem 0 1rem;
}

.calc-pane > .calc-subhead:first-child {
    margin-top: 0;
}

/* Form grid */
.calc-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 1.25rem;
}

@media (min-width: 600px) {
    .calc-grid { grid-template-columns: repeat(2, 1fr); }
}

@media (min-width: 900px) {
    .calc-grid-3 { grid-template-columns: repeat(3, 1fr); }
}

.calc-field {
    display: flex;
    flex-direction: column;
    gap: 0.45rem;
}

.calc-field label {
    font-family: var(--font-heading);
    font-size: 0.78rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.12em;
    color: var(--color-silver-mid);
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
}

.calc-field label i {
    color: var(--color-silver-dark);
    font-size: 0.95rem;
}

.calc-field input,
.calc-field select {
    appearance: none;
    -webkit-appearance: none;
    width: 100%;
    padding: 0.85rem 1rem;
    font-family: var(--font-body);
    font-size: 0.95rem;
    color: var(--color-text-primary);
    background: rgba(255, 255, 255, 0.025);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: var(--border-radius-sm);
    transition: border-color 0.25s ease, background 0.25s ease;
}

.calc-field input::placeholder {
    color: var(--color-silver-dark);
    opacity: 0.5;
}

.calc-field input:focus,
.calc-field select:focus {
    outline: none;
    border-color: rgba(255, 255, 255, 0.4);
    background: rgba(255, 255, 255, 0.05);
}

.calc-field select {
    background-image: url("data:image/svg+xml;charset=utf-8,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='8' viewBox='0 0 12 8'%3E%3Cpath fill='%23a0a0a5' d='M6 8 0 0h12z'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 1rem center;
    padding-right: 2.5rem;
}

.calc-field select option {
    background: #0f0f11;
    color: var(--color-text-primary);
}

.calc-hint {
    font-size: 0.75rem;
    color: var(--color-silver-dark);
    line-height: 1.4;
}

/* Results */
.calc-results {
    margin-top: 2.5rem;
    padding-top: 2rem;
    border-top: 1px solid rgba(255, 255, 255, 0.08);
}

.calc-disclaimer {
    display: flex;
    gap: 0.85rem;
    align-items: flex-start;
    padding: 1rem 1.15rem;
    margin-bottom: 1.75rem;
    background: rgba(255, 255, 255, 0.025);
    border: 1px solid rgba(255, 255, 255, 0.06);
    border-radius: var(--border-radius-md);
    font-size: 0.82rem;
    line-height: 1.55;
    color: var(--color-silver-dark);
}

.calc-disclaimer i {
    color: var(--color-silver-mid);
    margin-top: 0.15rem;
    flex-shrink: 0;
}

.calc-result-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 1rem;
    margin-bottom: 1.5rem;
}

@media (min-width: 700px) {
    .calc-result-grid { grid-template-columns: repeat(3, 1fr); }
}

.calc-result-card {
    padding: 1.5rem 1.25rem;
    background: rgba(255, 255, 255, 0.02);
    border: 1px solid rgba(255, 255, 255, 0.08);
    border-radius: var(--border-radius-md);
    display: flex;
    flex-direction: column;
    gap: 0.4rem;
    text-align: left;
}

.calc-result-card--highlight {
    background: linear-gradient(135deg,
        rgba(255, 255, 255, 0.06) 0%,
        rgba(255, 255, 255, 0.02) 100%);
    border-color: rgba(255, 255, 255, 0.18);
    box-shadow: 0 0 30px rgba(255, 255, 255, 0.04);
}

.calc-result-label {
    font-family: var(--font-heading);
    font-size: 0.7rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.2em;
    color: var(--color-silver-dark);
}

.calc-result-value {
    font-family: var(--font-heading);
    font-size: clamp(1.5rem, 3vw, 2rem);
    font-weight: 700;
    color: var(--color-text-primary);
    background: var(--gradient-silver);
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
    line-height: 1.1;
}

.calc-result-card--highlight .calc-result-value {
    background: linear-gradient(135deg, #ffffff 0%, #e0e0e0 100%);
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
}

.calc-result-mxn {
    font-size: 0.82rem;
    color: var(--color-silver-dark);
}

/* Breakdown */
.calc-breakdown {
    margin-top: 0.5rem;
    border: 1px solid rgba(255, 255, 255, 0.06);
    border-radius: var(--border-radius-md);
    background: rgba(255, 255, 255, 0.015);
    overflow: hidden;
}

.calc-breakdown summary {
    cursor: pointer;
    padding: 1rem 1.15rem;
    font-family: var(--font-heading);
    font-size: 0.78rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.18em;
    color: var(--color-silver-mid);
    transition: color 0.25s ease;
    list-style: none;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.calc-breakdown summary::-webkit-details-marker {
    display: none;
}

.calc-breakdown summary::after {
    content: '+';
    font-size: 1.1rem;
    color: var(--color-silver-dark);
    transition: transform 0.25s ease;
}

.calc-breakdown[open] summary::after {
    content: '−';
}

.calc-breakdown summary:hover {
    color: var(--color-text-primary);
}

.calc-breakdown-table {
    width: 100%;
    border-collapse: collapse;
    font-size: 0.88rem;
}

.calc-breakdown-table th,
.calc-breakdown-table td {
    padding: 0.75rem 1.15rem;
    text-align: left;
    border-top: 1px solid rgba(255, 255, 255, 0.05);
}

.calc-breakdown-table th {
    font-family: var(--font-heading);
    font-size: 0.7rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.15em;
    color: var(--color-silver-dark);
}

.calc-breakdown-table td {
    color: var(--color-silver-mid);
}

.calc-breakdown-table td:last-child,
.calc-breakdown-table th:last-child {
    text-align: right;
    font-variant-numeric: tabular-nums;
}

.calc-breakdown-table td:nth-child(2),
.calc-breakdown-table td:nth-child(3),
.calc-breakdown-table th:nth-child(2),
.calc-breakdown-table th:nth-child(3) {
    text-align: right;
    font-variant-numeric: tabular-nums;
}

.calc-fx-note {
    margin-top: 1.25rem;
    text-align: center;
    font-size: 0.78rem;
    color: var(--color-silver-dark);
}

/* ============================================================
   CTA
   ============================================================ */
.recursos-cta-section {
    padding: 2rem 0 6rem;
}

.recursos-cta {
    padding: 3.5rem 2rem;
    text-align: center;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 1.25rem;
    position: relative;
    overflow: hidden;
    background: linear-gradient(180deg,
        rgba(255, 255, 255, 0.04) 0%,
        rgba(255, 255, 255, 0.015) 100%);
}

@media (min-width: 768px) {
    .recursos-cta { padding: 5rem 3rem; }
}

.recursos-cta::before {
    content: '';
    position: absolute;
    inset: 0;
    background: radial-gradient(ellipse at top, rgba(255, 255, 255, 0.08) 0%, transparent 60%);
    pointer-events: none;
}

.recursos-cta-title {
    font-family: var(--font-heading);
    font-size: clamp(1.6rem, 4vw, 2.5rem);
    font-weight: 700;
    letter-spacing: 0.01em;
    margin: 0;
    color: var(--color-text-primary);
    position: relative;
    z-index: 1;
}

.recursos-cta-desc {
    max-width: 560px;
    color: var(--color-silver-mid);
    font-size: 1rem;
    line-height: 1.6;
    margin: 0 0 0.75rem;
    position: relative;
    z-index: 1;
}