/* ==========================================================================
   VigorNatural — Stylesheet (Spanish Male Nutrition & Botanical Formulas)
   Palette: Deep Forest Emerald (#1b4d3e), Warm Bronze/Gold (#c88a2b)
   ========================================================================== */

:root {
    --color-primary: #1b4d3e;
    --color-primary-dark: #12352a;
    --color-primary-light: #286b56;
    --color-primary-tint: #eef5f2;
    --color-accent: #c88a2b;
    --color-accent-dark: #a66f1b;
    --color-accent-tint: #fdf7ec;
    --color-bg: #ffffff;
    --color-bg-alt: #f6f8f7;
    --color-surface: #ffffff;
    --color-text: #1c2824;
    --color-text-muted: #52635d;
    --color-border: #dce5e1;
    --color-success: #1f6e4a;
    --color-warning: #9e6514;
    --color-danger: #a82828;
    --font-sans: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
    --font-serif: Georgia, "Times New Roman", serif;
    --shadow-sm: 0 2px 6px rgba(27, 77, 62, 0.06);
    --shadow-md: 0 8px 24px rgba(27, 77, 62, 0.09);
    --shadow-lg: 0 16px 40px rgba(18, 53, 42, 0.14);
    --radius-sm: 6px;
    --radius-md: 12px;
    --radius-lg: 18px;
    --container-max: 1200px;
}

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

html {
    font-size: 16px;
    scroll-behavior: smooth;
    -webkit-text-size-adjust: 100%;
}

body {
    font-family: var(--font-sans);
    color: var(--color-text);
    background-color: var(--color-bg);
    line-height: 1.65;
    display: flex;
    flex-direction: column;
    min-height: 100vh;
}

img {
    max-width: 100%;
    height: auto;
    display: block;
    border-radius: var(--radius-md);
}

a {
    color: var(--color-primary);
    text-decoration: underline;
    text-underline-offset: 3px;
    transition: color 0.2s ease, background-color 0.2s ease;
}

a:hover,
a:focus-visible {
    color: var(--color-accent-dark);
}

h1, h2, h3, h4 {
    font-family: var(--font-serif);
    color: var(--color-primary-dark);
    line-height: 1.25;
    font-weight: 700;
    margin-bottom: 0.75rem;
}

h1 {
    font-size: clamp(2rem, 3.8vw, 3rem);
    letter-spacing: -0.02em;
}

h2 {
    font-size: clamp(1.55rem, 2.8vw, 2.25rem);
    letter-spacing: -0.015em;
}

h3 {
    font-size: clamp(1.2rem, 2vw, 1.45rem);
}

p {
    margin-bottom: 1.1rem;
}

ul, ol {
    margin-bottom: 1.25rem;
    padding-left: 1.4rem;
}

li {
    margin-bottom: 0.45rem;
}

.skip-link {
    position: absolute;
    top: -100px;
    left: 1rem;
    background: var(--color-primary-dark);
    color: #ffffff;
    padding: 0.75rem 1.25rem;
    border-radius: var(--radius-sm);
    z-index: 9999;
    text-decoration: none;
    font-weight: 600;
}

.skip-link:focus {
    top: 1rem;
    color: #ffffff;
}

.container {
    width: 100%;
    max-width: var(--container-max);
    margin: 0 auto;
    padding: 0 1.25rem;
}

/* ==========================================================================
   Topbar & Header
   ========================================================================== */
.topbar {
    background-color: var(--color-primary-dark);
    color: #e3ede9;
    font-size: 0.85rem;
    padding: 0.5rem 0;
}

.topbar-inner {
    display: flex;
    flex-wrap: wrap;
    justify-content: space-between;
    align-items: center;
    gap: 0.5rem 1rem;
}

.topbar-text {
    margin: 0;
}

.topbar-links {
    display: flex;
    align-items: center;
    gap: 0.65rem;
}

.topbar-contact {
    color: #ffffff;
    text-decoration: none;
    font-weight: 500;
}

.topbar-contact:hover {
    color: var(--color-accent);
    text-decoration: underline;
}

.topbar-sep {
    opacity: 0.45;
}

.site-header {
    background-color: var(--color-surface);
    border-bottom: 1px solid var(--color-border);
    position: sticky;
    top: 0;
    z-index: 100;
    box-shadow: var(--shadow-sm);
}

.header-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    min-height: 76px;
    gap: 1.5rem;
}

.brand-logo {
    display: inline-flex;
    align-items: center;
    gap: 0.75rem;
    text-decoration: none;
    color: var(--color-primary-dark);
}

.brand-mark {
    width: 44px;
    height: 44px;
    border-radius: 10px;
    background: linear-gradient(135deg, var(--color-primary), var(--color-primary-dark));
    color: #ffffff;
    font-family: var(--font-serif);
    font-weight: 700;
    font-size: 1.15rem;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    border: 2px solid var(--color-accent);
    flex-shrink: 0;
}

.brand-text {
    display: flex;
    flex-direction: column;
    line-height: 1.15;
}

.brand-name {
    font-family: var(--font-serif);
    font-size: 1.35rem;
    color: var(--color-primary-dark);
    letter-spacing: -0.01em;
}

.brand-sub {
    font-size: 0.75rem;
    color: var(--color-text-muted);
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 0.04em;
}

.nav-list {
    list-style: none;
    display: flex;
    align-items: center;
    gap: 0.35rem;
    margin: 0;
    padding: 0;
}

.nav-item {
    margin: 0;
}

.nav-link {
    display: inline-block;
    padding: 0.55rem 0.9rem;
    color: var(--color-text);
    text-decoration: none;
    font-weight: 600;
    font-size: 0.95rem;
    border-radius: var(--radius-sm);
    transition: background-color 0.2s ease, color 0.2s ease;
}

.nav-link:hover,
.nav-link.is-active {
    background-color: var(--color-primary-tint);
    color: var(--color-primary-dark);
}

.nav-item-cta {
    margin-left: 0.5rem;
}

.nav-toggle {
    display: none;
    background: transparent;
    border: 1px solid var(--color-border);
    border-radius: var(--radius-sm);
    padding: 0.55rem;
    cursor: pointer;
    flex-direction: column;
    gap: 5px;
}

.nav-toggle-bar {
    width: 22px;
    height: 2px;
    background-color: var(--color-primary-dark);
    display: block;
    transition: transform 0.2s ease, opacity 0.2s ease;
}

/* ==========================================================================
   Buttons & Badges
   ========================================================================== */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    padding: 0.85rem 1.6rem;
    font-size: 1rem;
    font-weight: 600;
    border-radius: var(--radius-sm);
    text-decoration: none;
    cursor: pointer;
    border: 2px solid transparent;
    transition: all 0.2s ease;
    line-height: 1.2;
}

.btn-sm {
    padding: 0.6rem 1.15rem;
    font-size: 0.9rem;
}

.btn-primary {
    background-color: var(--color-primary);
    color: #ffffff;
    border-color: var(--color-primary);
}

.btn-primary:hover,
.btn-primary:focus-visible {
    background-color: var(--color-primary-dark);
    border-color: var(--color-primary-dark);
    color: #ffffff;
}

.btn-accent {
    background-color: var(--color-accent);
    color: #12211b;
    border-color: var(--color-accent);
}

.btn-accent:hover,
.btn-accent:focus-visible {
    background-color: var(--color-accent-dark);
    border-color: var(--color-accent-dark);
    color: #ffffff;
}

.btn-outline {
    background-color: transparent;
    color: var(--color-primary-dark);
    border-color: var(--color-primary);
}

.btn-outline:hover,
.btn-outline:focus-visible {
    background-color: var(--color-primary-tint);
    color: var(--color-primary-dark);
}

.btn-ghost {
    background-color: transparent;
    color: var(--color-text-muted);
    border-color: var(--color-border);
}

.btn-ghost:hover {
    background-color: var(--color-bg-alt);
    color: var(--color-text);
}

.eyebrow {
    display: inline-block;
    font-size: 0.8rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    color: var(--color-accent-dark);
    background-color: var(--color-accent-tint);
    border: 1px solid rgba(200, 138, 43, 0.35);
    padding: 0.3rem 0.75rem;
    border-radius: 999px;
    margin-bottom: 0.85rem;
}

/* ==========================================================================
   Breadcrumbs
   ========================================================================== */
.breadcrumbs {
    background-color: var(--color-bg-alt);
    border-bottom: 1px solid var(--color-border);
    padding: 0.65rem 0;
    font-size: 0.875rem;
}

.breadcrumbs-list {
    list-style: none;
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 0.45rem;
    margin: 0;
    padding: 0;
}

.breadcrumbs-item {
    margin: 0;
    color: var(--color-text-muted);
}

.breadcrumbs-item + .breadcrumbs-item::before {
    content: "/";
    margin-right: 0.45rem;
    color: var(--color-text-muted);
    opacity: 0.6;
}

.breadcrumbs-item a {
    color: var(--color-primary);
    text-decoration: none;
    font-weight: 500;
}

.breadcrumbs-item a:hover {
    text-decoration: underline;
}

/* ==========================================================================
   Sections & Layouts
   ========================================================================== */
.site-main {
    flex: 1;
}

.section {
    padding: 4.5rem 0;
}

.section-alt {
    background-color: var(--color-bg-alt);
}

.section-dark {
    background: linear-gradient(135deg, var(--color-primary-dark), var(--color-primary));
    color: #ffffff;
}

.section-dark h2,
.section-dark h3 {
    color: #ffffff;
}

.section-header {
    max-width: 760px;
    margin: 0 auto 3rem;
    text-align: center;
}

.section-header p {
    color: var(--color-text-muted);
    font-size: 1.08rem;
}

.hero {
    padding: 4rem 0 4.5rem;
    background: linear-gradient(180deg, var(--color-primary-tint) 0%, #ffffff 100%);
    border-bottom: 1px solid var(--color-border);
}

.hero-grid {
    display: grid;
    grid-template-columns: 1.1fr 0.9fr;
    gap: 3rem;
    align-items: center;
}

.hero-lead {
    font-size: 1.15rem;
    color: var(--color-text-muted);
    margin-bottom: 1.75rem;
}

.hero-actions {
    display: flex;
    flex-wrap: wrap;
    gap: 1rem;
    margin-bottom: 2rem;
}

.hero-highlights {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1rem;
    padding-top: 1.5rem;
    border-top: 1px solid var(--color-border);
}

.highlight-stat strong {
    display: block;
    font-size: 1.25rem;
    color: var(--color-primary-dark);
    font-family: var(--font-serif);
}

.highlight-stat span {
    font-size: 0.85rem;
    color: var(--color-text-muted);
}

.hero-media {
    position: relative;
}

.hero-image {
    box-shadow: var(--shadow-lg);
    border: 4px solid #ffffff;
}

.page-hero {
    background-color: var(--color-primary-tint);
    padding: 3.25rem 0;
    border-bottom: 1px solid var(--color-border);
}

.page-hero-inner {
    max-width: 840px;
}

.page-hero p {
    font-size: 1.12rem;
    color: var(--color-text-muted);
    margin-bottom: 0;
}

/* ==========================================================================
   Grids & Cards
   ========================================================================== */
.grid-2 {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 2rem;
}

.grid-3 {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1.75rem;
}

.grid-4 {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 1.5rem;
}

.card {
    background-color: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    padding: 1.85rem;
    box-shadow: var(--shadow-sm);
    display: flex;
    flex-direction: column;
    transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.card:hover {
    transform: translateY(-3px);
    box-shadow: var(--shadow-md);
}

.card-tag {
    display: inline-block;
    align-self: flex-start;
    font-size: 0.75rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: var(--color-primary);
    background-color: var(--color-primary-tint);
    padding: 0.25rem 0.65rem;
    border-radius: var(--radius-sm);
    margin-bottom: 0.9rem;
}

.card h3 {
    margin-bottom: 0.65rem;
}

.card p {
    color: var(--color-text-muted);
    flex: 1;
}

.card-link {
    font-weight: 600;
    text-decoration: none;
    display: inline-flex;
    align-items: center;
    gap: 0.35rem;
    margin-top: 0.75rem;
}

.card-link:hover {
    text-decoration: underline;
}

/* ==========================================================================
   Article Layout, TOC, Author Box, Tables
   ========================================================================== */
.article-layout {
    display: grid;
    grid-template-columns: 280px 1fr;
    gap: 3rem;
    align-items: start;
}

.toc-box {
    background-color: var(--color-bg-alt);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    padding: 1.5rem;
    position: sticky;
    top: 96px;
}

.toc-title {
    font-size: 1rem;
    font-weight: 700;
    margin-bottom: 0.85rem;
    color: var(--color-primary-dark);
}

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

.toc-list li {
    margin-bottom: 0.55rem;
}

.toc-list a {
    font-size: 0.92rem;
    color: var(--color-text-muted);
    text-decoration: none;
    display: block;
    padding: 0.25rem 0;
}

.toc-list a:hover {
    color: var(--color-primary);
    text-decoration: underline;
}

.article-content h2 {
    margin-top: 2.4rem;
    padding-top: 0.5rem;
    border-top: 1px solid var(--color-border);
}

.article-content h2:first-of-type {
    margin-top: 0;
    border-top: none;
    padding-top: 0;
}

.article-content h3 {
    margin-top: 1.6rem;
}

.callout-box {
    background-color: var(--color-primary-tint);
    border-left: 4px solid var(--color-primary);
    padding: 1.35rem 1.5rem;
    border-radius: 0 var(--radius-md) var(--radius-md) 0;
    margin: 1.75rem 0;
}

.callout-box strong {
    color: var(--color-primary-dark);
    display: block;
    margin-bottom: 0.35rem;
}

.checklist {
    list-style: none;
    padding-left: 0;
}

.checklist li {
    position: relative;
    padding-left: 1.85rem;
    margin-bottom: 0.65rem;
}

.checklist li::before {
    content: "✓";
    position: absolute;
    left: 0;
    top: 0.05rem;
    width: 1.3rem;
    height: 1.3rem;
    border-radius: 50%;
    background-color: var(--color-primary);
    color: #ffffff;
    font-size: 0.8rem;
    font-weight: 700;
    display: inline-flex;
    align-items: center;
    justify-content: center;
}

.table-responsive {
    width: 100%;
    overflow-x: auto;
    margin: 1.75rem 0;
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
}

.data-table {
    width: 100%;
    border-collapse: collapse;
    text-align: left;
    font-size: 0.95rem;
    background-color: var(--color-surface);
}

.data-table th,
.data-table td {
    padding: 0.95rem 1.15rem;
    border-bottom: 1px solid var(--color-border);
}

.data-table th {
    background-color: var(--color-primary-dark);
    color: #ffffff;
    font-weight: 600;
}

.data-table tr:last-child td {
    border-bottom: none;
}

.data-table tr:nth-child(even) td {
    background-color: var(--color-bg-alt);
}

.author-box {
    background-color: var(--color-bg-alt);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    padding: 1.5rem;
    margin-top: 2.5rem;
    display: flex;
    gap: 1.25rem;
    align-items: flex-start;
}

.author-avatar {
    width: 56px;
    height: 56px;
    border-radius: 50%;
    background-color: var(--color-primary);
    color: #ffffff;
    font-weight: 700;
    font-family: var(--font-serif);
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
    font-size: 1.2rem;
}

.author-meta h4 {
    margin-bottom: 0.2rem;
    font-size: 1.1rem;
}

.author-role {
    font-size: 0.85rem;
    color: var(--color-accent-dark);
    font-weight: 600;
    margin-bottom: 0.5rem;
}

.author-meta p {
    margin-bottom: 0;
    font-size: 0.92rem;
    color: var(--color-text-muted);
}

/* ==========================================================================
   Testimonials & FAQ Accordion
   ========================================================================== */
.testimonial-card {
    background-color: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    padding: 1.75rem;
    box-shadow: var(--shadow-sm);
}

.testimonial-quote {
    font-style: italic;
    color: var(--color-text);
    margin-bottom: 1.15rem;
}

.testimonial-author {
    font-weight: 700;
    color: var(--color-primary-dark);
    font-size: 0.95rem;
}

.testimonial-loc {
    font-size: 0.82rem;
    color: var(--color-text-muted);
    display: block;
}

.faq-list {
    max-width: 860px;
    margin: 0 auto;
    display: flex;
    flex-direction: column;
    gap: 0.85rem;
}

.faq-item {
    background-color: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    overflow: hidden;
}

.faq-question {
    width: 100%;
    text-align: left;
    background: none;
    border: none;
    padding: 1.2rem 1.4rem;
    font-size: 1.05rem;
    font-weight: 600;
    color: var(--color-primary-dark);
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 1rem;
    font-family: var(--font-sans);
}

.faq-question:hover {
    background-color: var(--color-primary-tint);
}

.faq-icon {
    font-size: 1.35rem;
    font-weight: 700;
    color: var(--color-accent-dark);
    line-height: 1;
    transition: transform 0.2s ease;
}

.faq-question[aria-expanded="true"] .faq-icon {
    transform: rotate(45deg);
}

.faq-answer {
    padding: 0 1.4rem 1.25rem;
    color: var(--color-text-muted);
    border-top: 1px solid var(--color-border);
    padding-top: 1rem;
}

.faq-answer p:last-child {
    margin-bottom: 0;
}

/* ==========================================================================
   Forms (Contact Page)
   ========================================================================== */
.form-card {
    background-color: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    padding: 2.25rem;
    box-shadow: var(--shadow-md);
}

.form-group {
    margin-bottom: 1.35rem;
}

.form-label {
    display: block;
    font-weight: 600;
    margin-bottom: 0.45rem;
    color: var(--color-primary-dark);
    font-size: 0.95rem;
}

.form-control {
    width: 100%;
    padding: 0.8rem 1rem;
    border: 1px solid var(--color-border);
    border-radius: var(--radius-sm);
    font-family: var(--font-sans);
    font-size: 1rem;
    color: var(--color-text);
    background-color: #ffffff;
    transition: border-color 0.2s ease, box-shadow 0.2s ease;
}

.form-control:focus {
    outline: none;
    border-color: var(--color-primary);
    box-shadow: 0 0 0 3px rgba(27, 77, 62, 0.15);
}

textarea.form-control {
    min-height: 130px;
    resize: vertical;
}

.form-check {
    display: flex;
    align-items: flex-start;
    gap: 0.65rem;
    font-size: 0.9rem;
    color: var(--color-text-muted);
}

.form-check input[type="checkbox"] {
    margin-top: 0.25rem;
    width: 18px;
    height: 18px;
    accent-color: var(--color-primary);
    flex-shrink: 0;
}

.form-hp {
    position: absolute;
    left: -9999px;
    width: 1px;
    height: 1px;
    overflow: hidden;
}

.form-alert {
    padding: 1rem 1.25rem;
    border-radius: var(--radius-sm);
    margin-bottom: 1.5rem;
    font-weight: 500;
}

.form-alert-error {
    background-color: #fdecec;
    border: 1px solid #f5c2c2;
    color: var(--color-danger);
}

/* ==========================================================================
   Footer & Legal Disclaimer
   ========================================================================== */
.site-footer {
    background-color: #102a21;
    color: #d7e4df;
    padding: 4rem 0 2rem;
    margin-top: auto;
}

.footer-grid {
    display: grid;
    grid-template-columns: 1.4fr 1fr 1fr 1.2fr;
    gap: 2.25rem;
    margin-bottom: 2.75rem;
}

.footer-logo .brand-name {
    color: #ffffff;
}

.footer-logo .brand-sub {
    color: #a6c1b7;
}

.footer-desc {
    margin-top: 1rem;
    font-size: 0.92rem;
    color: #bdd0c8;
}

.footer-entity {
    font-size: 0.85rem;
    color: var(--color-accent);
}

.footer-heading {
    color: #ffffff;
    font-size: 1.05rem;
    margin-bottom: 1rem;
    font-family: var(--font-sans);
}

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

.footer-links li {
    margin-bottom: 0.55rem;
}

.footer-links a,
.footer-cookie-btn {
    color: #c5d7d0;
    text-decoration: none;
    font-size: 0.92rem;
    background: none;
    border: none;
    padding: 0;
    cursor: pointer;
    font-family: var(--font-sans);
    text-align: left;
}

.footer-links a:hover,
.footer-cookie-btn:hover {
    color: var(--color-accent);
    text-decoration: underline;
}

.footer-address {
    font-style: normal;
    font-size: 0.92rem;
    color: #c5d7d0;
}

.footer-address p {
    margin-bottom: 0.65rem;
}

.footer-address a {
    color: #ffffff;
}

.footer-disclaimer {
    background-color: rgba(255, 255, 255, 0.05);
    border: 1px solid rgba(255, 255, 255, 0.12);
    border-radius: var(--radius-md);
    padding: 1.25rem 1.5rem;
    font-size: 0.82rem;
    color: #b4c8c0;
    margin-bottom: 2rem;
}

.footer-disclaimer p {
    margin: 0;
}

.footer-bottom {
    border-top: 1px solid rgba(255, 255, 255, 0.12);
    padding-top: 1.5rem;
    display: flex;
    flex-wrap: wrap;
    justify-content: space-between;
    gap: 1rem;
    font-size: 0.85rem;
    color: #9ab2a9;
}

.footer-bottom p {
    margin: 0;
}

/* ==========================================================================
   Cookie Consent Banner
   ========================================================================== */
.cookie-banner {
    position: fixed;
    bottom: 1.25rem;
    left: 1.25rem;
    right: 1.25rem;
    max-width: 980px;
    margin: 0 auto;
    background-color: #ffffff;
    border: 2px solid var(--color-primary);
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-lg);
    padding: 1.5rem;
    z-index: 999;
}

.cookie-banner-inner {
    display: flex;
    flex-direction: column;
    gap: 1.15rem;
}

.cookie-banner-title {
    font-size: 1.15rem;
    margin-bottom: 0.4rem;
}

.cookie-banner-text {
    font-size: 0.9rem;
    color: var(--color-text-muted);
    margin-bottom: 0;
}

.cookie-banner-actions {
    display: flex;
    flex-wrap: wrap;
    gap: 0.75rem;
    align-items: center;
}

.cookie-preferences {
    margin-top: 1rem;
    padding-top: 1rem;
    border-top: 1px solid var(--color-border);
}

.cookie-pref-grid {
    display: grid;
    gap: 0.85rem;
    margin-bottom: 1rem;
}

.cookie-pref-item {
    display: flex;
    align-items: flex-start;
    gap: 0.75rem;
    font-size: 0.88rem;
    cursor: pointer;
}

.cookie-pref-item input {
    margin-top: 0.2rem;
    width: 18px;
    height: 18px;
    accent-color: var(--color-primary);
}

.cookie-pref-item strong {
    display: block;
    color: var(--color-primary-dark);
}

.cookie-pref-item small {
    color: var(--color-text-muted);
    display: block;
}

/* ==========================================================================
   Responsive Design
   ========================================================================== */
@media (max-width: 992px) {
    .hero-grid,
    .article-layout,
    .grid-4 {
        grid-template-columns: 1fr;
    }

    .grid-3 {
        grid-template-columns: repeat(2, 1fr);
    }

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

    .toc-box {
        position: static;
    }
}

@media (max-width: 768px) {
    .nav-toggle {
        display: flex;
    }

    .main-nav {
        display: none;
        position: absolute;
        top: 100%;
        left: 0;
        right: 0;
        background-color: var(--color-surface);
        border-bottom: 1px solid var(--color-border);
        padding: 1rem 1.25rem;
        box-shadow: var(--shadow-md);
    }

    .main-nav.is-open {
        display: block;
    }

    .nav-list {
        flex-direction: column;
        align-items: stretch;
    }

    .nav-item-cta {
        margin-left: 0;
        margin-top: 0.5rem;
    }

    .grid-2,
    .grid-3,
    .hero-highlights,
    .footer-grid {
        grid-template-columns: 1fr;
    }

    .section {
        padding: 3rem 0;
    }
}

/* ==========================================================================
   Utility & Component Layout Classes (Zero Inline Styles)
   ========================================================================== */
.grid-align-center {
    align-items: center;
}

.card-body-spaced {
    margin-top: 1.25rem;
}

.cta-container {
    text-align: center;
    max-width: 780px;
}

.cta-lead {
    color: #d7e4df;
    font-size: 1.1rem;
    margin-bottom: 1.85rem;
}

.btn-group-center {
    display: flex;
    flex-wrap: wrap;
    gap: 1rem;
    justify-content: center;
}

.btn-group-center-spaced {
    display: flex;
    flex-wrap: wrap;
    gap: 1rem;
    justify-content: center;
    margin-top: 2rem;
}

.btn-outline-light {
    color: #ffffff;
    border-color: #ffffff;
}

.btn-outline-light:hover,
.btn-outline-light:focus-visible {
    background-color: rgba(255, 255, 255, 0.15);
    color: #ffffff;
}

.btn-block {
    width: 100%;
}

.narrow-center {
    max-width: 720px;
    text-align: center;
}

.lead-muted {
    font-size: 1.12rem;
    color: var(--color-text-muted);
}

.text-muted-sm {
    color: var(--color-text-muted);
    font-size: 0.95rem;
}

.legal-updated {
    margin-top: 2rem;
    color: var(--color-text-muted);
    font-size: 0.9rem;
}

.legal-container {
    max-width: 880px;
}

.table-narrow {
    max-width: 840px;
    margin: 0 auto;
}

.th-col-35 {
    width: 35%;
}

.article-featured-img {
    margin-bottom: 2rem;
}

.card-spaced-bottom {
    margin-bottom: 1.5rem;
}

.card-left-spaced {
    text-align: left;
    margin: 2rem 0;
}

.list-flush {
    margin-bottom: 0;
}

.alert-list {
    margin-top: 0.5rem;
    margin-bottom: 0;
}