:root {
    --color-primary: #0f172a;
    --color-primary-soft: #16213a;
    --color-secondary: #3b82f6;
    --color-secondary-dark: #2563eb;
    --color-accent-start: #22d3ee;
    --color-accent-end: #3b82f6;
    --color-background: #f5f9ff;
    --color-surface: #ffffff;
    --color-surface-soft: #eef5ff;
    --color-surface-dark: #09111f;
    --color-text: #0f172a;
    --color-text-muted: #475569;
    --color-text-light: #dbe7ff;
    --color-border: rgba(15, 23, 42, 0.08);
    --color-border-strong: rgba(148, 163, 184, 0.26);
    --color-success: #34d399;

    --space-2xs: 0.25rem;
    --space-xs: 0.5rem;
    --space-sm: 0.75rem;
    --space-md: 1rem;
    --space-lg: 1.5rem;
    --space-xl: 2rem;
    --space-2xl: 3rem;
    --space-3xl: 4.5rem;
    --space-4xl: 6rem;

    --radius-sm: 0.75rem;
    --radius-md: 1.1rem;
    --radius-lg: 1.5rem;
    --radius-xl: 2rem;
    --radius-pill: 999px;

    --shadow-sm: 0 16px 30px rgba(15, 23, 42, 0.06);
    --shadow-md: 0 24px 60px rgba(15, 23, 42, 0.12);
    --shadow-lg: 0 32px 80px rgba(2, 12, 27, 0.3);

    --font-family-base: "Manrope", "Segoe UI", sans-serif;
    --font-size-xs: 0.8125rem;
    --font-size-sm: 0.9375rem;
    --font-size-base: 1rem;
    --font-size-lg: 1.125rem;
    --font-size-xl: 1.375rem;
    --font-size-2xl: clamp(2.6rem, 6vw, 4.8rem);
    --font-size-3xl: clamp(1.9rem, 4vw, 3rem);

    --container-width: 75rem;
    --transition-base: 180ms ease;
}

/* Base: reset simple, readable and reusable across future pages. */
*,
*::before,
*::after {
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

body {
    margin: 0;
    font-family: var(--font-family-base);
    font-size: var(--font-size-base);
    line-height: 1.6;
    color: var(--color-text);
    background:
        radial-gradient(circle at top left, rgba(59, 130, 246, 0.12), transparent 35%),
        radial-gradient(circle at top right, rgba(34, 211, 238, 0.1), transparent 28%),
        var(--color-background);
}

h1,
h2,
h3,
p,
ul,
ol,
figure,
blockquote {
    margin: 0;
}

ul,
ol {
    padding: 0;
}

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

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

button,
input,
select,
textarea {
    font: inherit;
}

input,
select,
textarea {
    width: 100%;
}

::selection {
    background: rgba(59, 130, 246, 0.18);
}

:focus-visible {
    outline: 3px solid rgba(59, 130, 246, 0.32);
    outline-offset: 3px;
}

/* Shared layout helpers: these are the building blocks for future pages too. */
.container {
    width: min(100% - 2rem, var(--container-width));
    margin-inline: auto;
}

.section {
    position: relative;
    padding-block: var(--space-3xl);
}

.section--light {
    background: transparent;
}

.section--soft {
    background: linear-gradient(180deg, rgba(255, 255, 255, 0.65), rgba(238, 245, 255, 0.8));
}

.section--dark {
    background:
        radial-gradient(circle at top, rgba(34, 211, 238, 0.08), transparent 25%),
        linear-gradient(180deg, #08101f, #0f172a);
    color: #ffffff;
}

.section__intro {
    max-width: 42rem;
    margin-bottom: var(--space-2xl);
}

.section__intro--center {
    margin-inline: auto;
    text-align: center;
}

.section__intro--dark {
    color: #ffffff;
}

.section__title {
    margin-bottom: var(--space-md);
    font-size: var(--font-size-3xl);
    line-height: 1.1;
    letter-spacing: -0.04em;
}

.section__text {
    color: var(--color-text-muted);
    font-size: var(--font-size-lg);
}

.section__text--light {
    color: var(--color-text-light);
}

.eyebrow,
.pricing-card__eyebrow,
.community-card__eyebrow {
    display: inline-flex;
    align-items: center;
    gap: var(--space-xs);
    margin-bottom: var(--space-sm);
    padding: 0.45rem 0.85rem;
    border: 1px solid rgba(59, 130, 246, 0.16);
    border-radius: var(--radius-pill);
    background: rgba(59, 130, 246, 0.08);
    font-size: var(--font-size-xs);
    font-weight: 800;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    color: var(--color-secondary);
}

.eyebrow--light {
    border-color: rgba(255, 255, 255, 0.14);
    background: rgba(255, 255, 255, 0.08);
    color: #ffffff;
}

.grid {
    display: grid;
    gap: var(--space-lg);
}

.grid--2,
.grid--3,
.grid--4 {
    grid-template-columns: 1fr;
}

.card {
    padding: var(--space-xl);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    background: rgba(255, 255, 255, 0.86);
    box-shadow: var(--shadow-sm);
    backdrop-filter: blur(10px);
}

.card__title {
    margin-bottom: var(--space-sm);
    font-size: var(--font-size-xl);
    line-height: 1.2;
    letter-spacing: -0.03em;
}

.card__text {
    color: var(--color-text-muted);
}

.button {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-height: 3.15rem;
    padding: 0.9rem 1.35rem;
    border: 1px solid transparent;
    border-radius: var(--radius-pill);
    font-weight: 700;
    line-height: 1;
    transition:
        transform var(--transition-base),
        box-shadow var(--transition-base),
        background-color var(--transition-base),
        border-color var(--transition-base),
        color var(--transition-base);
}

.button:hover {
    transform: translateY(-2px);
}

.button--large {
    min-height: 3.5rem;
    padding-inline: 1.5rem;
}

.button--primary {
    color: #ffffff;
    background: linear-gradient(135deg, var(--color-secondary), var(--color-accent-start));
    box-shadow: 0 16px 40px rgba(59, 130, 246, 0.28);
}

.button--primary:hover {
    box-shadow: 0 20px 48px rgba(59, 130, 246, 0.35);
}

.button--secondary,
.button--ghost {
    border-color: var(--color-border-strong);
}

.button--secondary {
    color: var(--color-primary);
    background: #ffffff;
}

.button--secondary:hover {
    background: var(--color-surface-soft);
}

.button--ghost {
    color: #ffffff;
    background: rgba(255, 255, 255, 0.06);
    border-color: rgba(255, 255, 255, 0.12);
}

.button--ghost:hover {
    background: rgba(255, 255, 255, 0.12);
}

.skip-link {
    position: absolute;
    top: var(--space-sm);
    left: var(--space-sm);
    z-index: 200;
    padding: var(--space-sm) var(--space-md);
    border-radius: var(--radius-pill);
    background: var(--color-primary);
    color: #ffffff;
    transform: translateY(-200%);
    transition: transform var(--transition-base);
}

.skip-link:focus {
    transform: translateY(0);
}

/* Header: sticky and ready for future pages. */
.site-header {
    position: sticky;
    top: 0;
    z-index: 100;
    border-bottom: 1px solid rgba(255, 255, 255, 0.08);
    background: rgba(5, 10, 22, 0.78);
    backdrop-filter: blur(16px);
}

.site-header__inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: var(--space-md);
    min-height: 5rem;
}

.site-logo {
    display: block;
    flex: 0 0 auto;
    width: clamp(13rem, 26vw, 20rem);
    height: clamp(2.6rem, 5vw, 3.5rem);
    background: url("../assets/images/mipropiapagina_logo_transparente.png") no-repeat left center / contain;
    overflow: hidden;
    white-space: nowrap;
    text-indent: 120%;
}

.site-logo__mark {
    display: none;
}

.site-logo__text {
    display: none;
}

.site-header__controls {
    display: inline-flex;
    align-items: center;
    gap: var(--space-sm);
    margin-left: auto;
}

.language-switcher {
    display: inline-flex;
    align-items: center;
    gap: 0.45rem;
    padding: 0.5rem 0.8rem;
    border: 1px solid rgba(255, 255, 255, 0.14);
    border-radius: var(--radius-pill);
    background: rgba(255, 255, 255, 0.08);
    color: rgba(255, 255, 255, 0.72);
    font-size: var(--font-size-xs);
    font-weight: 800;
    letter-spacing: 0.08em;
    text-transform: uppercase;
}

.language-switcher__link {
    color: rgba(255, 255, 255, 0.72);
    transition: color var(--transition-base);
}

.language-switcher__link:hover,
.language-switcher__link:focus-visible,
.language-switcher__link[aria-current="page"] {
    color: #ffffff;
}

.language-switcher__separator {
    color: rgba(255, 255, 255, 0.36);
}

.nav-toggle {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 0.7rem 1rem;
    border: 1px solid rgba(255, 255, 255, 0.14);
    border-radius: var(--radius-pill);
    background: rgba(255, 255, 255, 0.08);
    color: #ffffff;
    cursor: pointer;
}

.site-nav {
    position: absolute;
    top: 100%;
    right: 0;
    left: 0;
    padding: 0 var(--space-md) var(--space-md);
    background: rgba(8, 16, 31, 0.98);
    border-bottom: 1px solid rgba(255, 255, 255, 0.08);
}

.site-nav[data-visible="false"] {
    display: none;
}

.site-nav[data-visible="true"] {
    display: block;
}

.site-nav__list {
    list-style: none;
    display: grid;
    gap: var(--space-xs);
}

.site-nav__link {
    display: block;
    padding: var(--space-sm) 0;
    color: rgba(255, 255, 255, 0.78);
    transition: color var(--transition-base);
}

.site-nav__link:hover,
.site-nav__link:focus-visible {
    color: #ffffff;
}

.site-nav__link[aria-current="page"] {
    color: #ffffff;
}

.site-nav__link[aria-current="page"]::after {
    content: "";
    display: block;
    width: 100%;
    height: 2px;
    margin-top: 0.45rem;
    border-radius: var(--radius-pill);
    background: linear-gradient(135deg, var(--color-accent-start), var(--color-secondary));
}

/* Hero: strong contrast, visual rhythm and main CTA emphasis. */
.hero {
    overflow: clip;
    padding-top: calc(var(--space-3xl) + var(--space-lg));
    background:
        radial-gradient(circle at 85% 20%, rgba(34, 211, 238, 0.18), transparent 18%),
        radial-gradient(circle at 12% 18%, rgba(59, 130, 246, 0.18), transparent 20%),
        linear-gradient(180deg, #08111f 0%, #0f172a 75%, #152342 100%);
}

.hero__layout {
    display: grid;
    gap: var(--space-2xl);
    align-items: center;
}

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

.hero__title {
    margin-bottom: var(--space-md);
    color: #ffffff;
    font-size: var(--font-size-2xl);
    line-height: 0.98;
    letter-spacing: -0.06em;
}

.hero__text {
    max-width: 38rem;
    margin-bottom: var(--space-lg);
    color: var(--color-text-light);
    font-size: clamp(1.05rem, 2vw, 1.25rem);
}

.hero__actions {
    display: flex;
    flex-wrap: wrap;
    gap: var(--space-sm);
    margin-bottom: var(--space-lg);
}

.hero__proof {
    list-style: none;
    display: flex;
    flex-wrap: wrap;
    gap: var(--space-sm);
}

.hero__proof li {
    padding: 0.65rem 1rem;
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: var(--radius-pill);
    background: rgba(255, 255, 255, 0.06);
    color: #e2ebff;
    font-size: var(--font-size-sm);
}

.hero-visual {
    position: relative;
}

.hero-visual__window {
    position: relative;
    overflow: hidden;
    border: 1px solid rgba(255, 255, 255, 0.12);
    border-radius: var(--radius-xl);
    background: linear-gradient(180deg, rgba(14, 24, 44, 0.98), rgba(10, 17, 31, 0.95));
    box-shadow: var(--shadow-lg);
}

.hero-visual__window::before {
    content: "";
    position: absolute;
    inset: 0;
    background: radial-gradient(circle at top right, rgba(34, 211, 238, 0.16), transparent 24%);
    pointer-events: none;
}

.hero-visual__toolbar {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: var(--space-sm);
    padding: 0.9rem 1rem;
    border-bottom: 1px solid rgba(255, 255, 255, 0.08);
}

.hero-visual__dots {
    display: inline-flex;
    gap: var(--space-xs);
}

.hero-visual__dots span {
    width: 0.65rem;
    height: 0.65rem;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.28);
}

.hero-visual__dots span:first-child {
    background: #fb7185;
}

.hero-visual__dots span:nth-child(2) {
    background: #fbbf24;
}

.hero-visual__dots span:last-child {
    background: var(--color-success);
}

.hero-visual__url {
    color: #ffffff;
    font-weight: 700;
    text-align: center;
}

.hero-visual__badge {
    padding: 0.4rem 0.75rem;
    border-radius: var(--radius-pill);
    background: rgba(52, 211, 153, 0.12);
    color: #86efac;
    font-size: var(--font-size-xs);
    font-weight: 700;
}

.hero-visual__body {
    display: grid;
    gap: var(--space-lg);
    padding: var(--space-xl);
}

.hero-visual__panel {
    padding: var(--space-lg);
    border: 1px solid rgba(255, 255, 255, 0.08);
    border-radius: var(--radius-lg);
    background: rgba(255, 255, 255, 0.04);
}

.hero-visual__label {
    margin-bottom: var(--space-sm);
    color: #cbd7f2;
    font-size: var(--font-size-sm);
}

.hero-visual__flow {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: var(--space-xs);
}

.hero-visual__step,
.hero-visual__arrow {
    font-weight: 700;
}

.hero-visual__step {
    padding: 0.6rem 0.85rem;
    border-radius: var(--radius-pill);
    background: rgba(255, 255, 255, 0.08);
    color: #f8fbff;
}

.hero-visual__step--active {
    background: linear-gradient(135deg, rgba(59, 130, 246, 0.9), rgba(34, 211, 238, 0.9));
    box-shadow: 0 12px 30px rgba(59, 130, 246, 0.25);
}

.hero-visual__arrow {
    color: rgba(255, 255, 255, 0.48);
}

.hero-visual__grid {
    display: grid;
    gap: var(--space-md);
}

.mini-card {
    padding: var(--space-lg);
    border: 1px solid rgba(255, 255, 255, 0.08);
    border-radius: var(--radius-lg);
    background: rgba(255, 255, 255, 0.04);
}

.mini-card--accent {
    background: linear-gradient(135deg, rgba(34, 211, 238, 0.12), rgba(59, 130, 246, 0.18));
}

.mini-card__label {
    margin-bottom: var(--space-xs);
    color: #94a3b8;
    font-size: var(--font-size-sm);
}

.mini-card__value {
    margin-bottom: var(--space-xs);
    color: #ffffff;
    font-size: 1.25rem;
    font-weight: 800;
}

.mini-card__text {
    color: #cbd5e1;
    font-size: var(--font-size-sm);
}

.hero-visual__caption {
    margin-top: var(--space-md);
    color: #cbd7f2;
    font-size: var(--font-size-sm);
    text-align: center;
}

/* Inner pages: shared system for the resources hub and article pages. */
.page-hero {
    padding-top: calc(var(--space-3xl) + var(--space-lg));
}

.page-hero__layout {
    display: grid;
    gap: var(--space-xl);
    align-items: start;
}

.page-hero__title {
    margin-bottom: var(--space-md);
    color: #ffffff;
    font-size: clamp(2.15rem, 5vw, 4rem);
    line-height: 1.02;
    letter-spacing: -0.05em;
}

.page-hero__text {
    max-width: 42rem;
    margin-bottom: var(--space-lg);
    color: var(--color-text-light);
    font-size: var(--font-size-lg);
}

.page-hero__actions {
    display: flex;
    flex-wrap: wrap;
    gap: var(--space-sm);
    margin-bottom: var(--space-lg);
}

.page-hero__stats {
    list-style: none;
    display: grid;
    gap: var(--space-sm);
}

.page-hero__stats li {
    display: flex;
    align-items: baseline;
    gap: var(--space-sm);
    padding: 0.8rem 1rem;
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: var(--radius-md);
    background: rgba(255, 255, 255, 0.04);
    color: #e2ebff;
}

.page-hero__stats strong {
    font-size: 1.4rem;
}

.page-hero__stats span {
    color: #cbd7f2;
}

.page-hero__aside {
    background: rgba(255, 255, 255, 0.9);
    color: var(--color-text);
}

.page-hero__aside p,
.page-hero__aside strong {
    color: var(--color-text);
}

.resource-grid,
.topic-grid {
    display: grid;
    gap: var(--space-lg);
}

.resource-card {
    display: flex;
    flex-direction: column;
    gap: var(--space-md);
}

.resource-card--link {
    transition: transform var(--transition-base), box-shadow var(--transition-base), border-color var(--transition-base);
}

.resource-card--link:hover {
    transform: translateY(-4px);
    border-color: rgba(59, 130, 246, 0.22);
    box-shadow: var(--shadow-md);
}

.resource-card__meta {
    display: flex;
    flex-wrap: wrap;
    gap: var(--space-xs);
}

.resource-card__meta span {
    padding: 0.3rem 0.65rem;
    border-radius: var(--radius-pill);
    background: rgba(59, 130, 246, 0.1);
    color: var(--color-secondary);
    font-size: var(--font-size-xs);
    font-weight: 800;
    letter-spacing: 0.04em;
    text-transform: uppercase;
}

.resource-card__description {
    color: var(--color-text-muted);
}

.resource-card__link {
    margin-top: auto;
    color: var(--color-secondary-dark);
    font-weight: 700;
}

.resource-card__link:hover {
    color: var(--color-secondary);
}

.topic-card__links {
    list-style: none;
    display: grid;
    gap: var(--space-sm);
}

.topic-card__links a {
    color: var(--color-primary);
    font-weight: 600;
}

.topic-card__links a:hover {
    color: var(--color-secondary-dark);
}

.breadcrumbs {
    display: flex;
    flex-wrap: wrap;
    gap: var(--space-xs);
    margin-bottom: var(--space-md);
    color: #cbd7f2;
    font-size: var(--font-size-sm);
}

.breadcrumbs a:hover {
    color: #ffffff;
}

.page-hero--compact {
    padding-bottom: var(--space-2xl);
}

.article-layout {
    display: grid;
    gap: var(--space-xl);
}

.article-content {
    display: grid;
    gap: var(--space-lg);
}

.article-lead {
    font-size: 1.15rem;
    color: var(--color-text-muted);
}

.article-block {
    display: grid;
    gap: var(--space-md);
}

.article-block h2 {
    font-size: clamp(1.5rem, 3vw, 2rem);
    line-height: 1.15;
    letter-spacing: -0.03em;
}

.article-block h3 {
    font-size: 1.15rem;
    line-height: 1.25;
}

.article-block p,
.article-block li {
    color: var(--color-text-muted);
}

.article-block ul,
.article-block ol {
    padding-left: 1.25rem;
}

.article-note,
.article-cta {
    padding: var(--space-lg);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    background: linear-gradient(180deg, rgba(255, 255, 255, 0.88), rgba(238, 245, 255, 0.88));
    box-shadow: var(--shadow-sm);
}

.article-sidebar {
    display: grid;
    gap: var(--space-md);
}

.article-sidebar__card {
    display: grid;
    gap: var(--space-sm);
}

.article-sidebar__card ul {
    padding-left: 1.15rem;
}

.article-sidebar__card li,
.article-sidebar__card p {
    color: var(--color-text-muted);
}

/* Feature cards and steps: reusable patterns for benefits and process sections. */
.feature-card,
.step-card,
.testimonial-card,
.faq-item,
.contact-form,
.community-card {
    transition: transform var(--transition-base), box-shadow var(--transition-base);
}

.feature-card:hover,
.step-card:hover,
.testimonial-card:hover,
.community-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-md);
}

.feature-card__icon {
    display: inline-grid;
    place-items: center;
    width: 2.5rem;
    height: 2.5rem;
    margin-bottom: var(--space-lg);
    border-radius: 0.9rem;
    background: linear-gradient(135deg, rgba(59, 130, 246, 0.12), rgba(34, 211, 238, 0.18));
    color: var(--color-secondary);
    font-size: var(--font-size-sm);
    font-weight: 800;
}

.step-list {
    list-style: none;
}

.step-card__number {
    margin-bottom: var(--space-sm);
    color: var(--color-secondary);
    font-size: var(--font-size-sm);
    font-weight: 800;
    text-transform: uppercase;
    letter-spacing: 0.08em;
}

/* Community section: highlights the ecosystem around the course. */
.community__layout,
.contact__layout {
    display: grid;
    gap: var(--space-xl);
}

.community-card {
    background: linear-gradient(180deg, #ffffff, #f7fbff);
}

.community-card__list {
    list-style: none;
    display: grid;
    gap: var(--space-md);
}

.community-card__list li {
    position: relative;
    padding-left: 1.5rem;
    color: var(--color-text-muted);
}

.community-card__list li::before {
    content: "";
    position: absolute;
    top: 0.7rem;
    left: 0;
    width: 0.55rem;
    height: 0.55rem;
    border-radius: 50%;
    background: linear-gradient(135deg, var(--color-secondary), var(--color-accent-start));
}

/* Pricing card: main commercial block with strong contrast. */
.pricing-grid {
    max-width: 64rem;
    margin-inline: auto;
    align-items: stretch;
}

.pricing-card {
    display: flex;
    flex-direction: column;
    padding: clamp(1.5rem, 4vw, 2.5rem);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: var(--radius-xl);
    background:
        linear-gradient(180deg, rgba(255, 255, 255, 0.06), rgba(255, 255, 255, 0.03)),
        rgba(9, 17, 31, 0.92);
    box-shadow: var(--shadow-lg);
}

.pricing-card--featured {
    border-color: rgba(96, 165, 250, 0.4);
    background:
        linear-gradient(180deg, rgba(59, 130, 246, 0.18), rgba(255, 255, 255, 0.04)),
        rgba(9, 17, 31, 0.96);
}

.pricing-card__eyebrow,
.community-card__eyebrow {
    margin-bottom: var(--space-md);
}

.pricing-card--featured .pricing-card__eyebrow {
    color: #ffffff;
    border-color: rgba(96, 165, 250, 0.28);
    background: rgba(59, 130, 246, 0.16);
}

.pricing-card__title {
    margin-bottom: var(--space-sm);
    color: #ffffff;
    font-size: clamp(1.75rem, 4vw, 2.5rem);
    line-height: 1.05;
    letter-spacing: -0.04em;
}

.pricing-card__amount {
    margin-bottom: var(--space-md);
    color: #ffffff;
    font-size: clamp(2.5rem, 5vw, 4rem);
    font-weight: 800;
    line-height: 1;
}

.pricing-card__amount span {
    display: block;
    margin-top: var(--space-xs);
    color: #cbd5e1;
    font-size: var(--font-size-base);
    font-weight: 500;
}

.pricing-card__description,
.pricing-card__note {
    color: #cbd5e1;
}

.pricing-card__description {
    margin-bottom: var(--space-lg);
    max-width: 34rem;
}

.pricing-card__list {
    list-style: none;
    display: grid;
    gap: var(--space-sm);
    margin-bottom: var(--space-lg);
}

.pricing-card .button {
    margin-top: auto;
    align-self: flex-start;
}

.pricing-card__list li {
    position: relative;
    padding-left: 1.5rem;
    color: #e2e8f0;
}

.pricing-card__list li::before {
    content: "";
    position: absolute;
    top: 0.72rem;
    left: 0;
    width: 0.55rem;
    height: 0.55rem;
    border-radius: 50%;
    background: linear-gradient(135deg, var(--color-accent-start), var(--color-secondary));
}

.pricing-card__note {
    margin-top: var(--space-md);
    font-size: var(--font-size-sm);
}

/* Testimonials and FAQ: clear reading layout for trust-building content. */
.testimonial-card {
    gap: var(--space-lg);
}

.testimonial-card__quote {
    color: var(--color-text);
    font-size: var(--font-size-lg);
}

.testimonial-card__author {
    color: var(--color-text-muted);
    font-size: var(--font-size-sm);
    font-weight: 700;
}

.faq-list {
    display: grid;
    gap: var(--space-md);
}

.faq-item {
    padding: 0;
    overflow: hidden;
}

.faq-item summary {
    padding: var(--space-lg) var(--space-xl);
    font-weight: 700;
    cursor: pointer;
    list-style: none;
}

.faq-item summary::-webkit-details-marker {
    display: none;
}

.faq-item p {
    padding: 0 var(--space-xl) var(--space-lg);
    color: var(--color-text-muted);
}

/* Contact: input styles and two-column layout for future CRM integration. */
.contact-card {
    margin-top: var(--space-lg);
}

.contact-form {
    display: grid;
    gap: var(--space-md);
}

.form-field {
    display: grid;
    gap: var(--space-xs);
}

.form-field label {
    font-weight: 700;
}

.form-field input,
.form-field select,
.form-field textarea {
    padding: 1rem 1.05rem;
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    background: #ffffff;
    color: var(--color-text);
    transition: border-color var(--transition-base), box-shadow var(--transition-base);
}

.form-field input::placeholder,
.form-field textarea::placeholder {
    color: #94a3b8;
}

.form-field input:focus,
.form-field select:focus,
.form-field textarea:focus {
    border-color: rgba(59, 130, 246, 0.42);
    box-shadow: 0 0 0 4px rgba(59, 130, 246, 0.08);
    outline: none;
}

.form-field textarea {
    min-height: 8.5rem;
    resize: vertical;
}

/* Footer: compact, dark and reusable for the rest of the website. */
.site-footer {
    padding-top: var(--space-2xl);
    color: #dbe7ff;
    background: #09111f;
}

.site-footer__inner,
.site-footer__bottom {
    display: grid;
    gap: var(--space-lg);
}

.site-logo--footer {
    width: clamp(12rem, 24vw, 18rem);
    height: clamp(2.4rem, 4.5vw, 3.1rem);
}

.site-footer__nav {
    display: flex;
    flex-wrap: wrap;
    gap: var(--space-md);
}

.site-footer__link,
.site-footer__text {
    color: #dbe7ff;
}

.site-footer__link:hover {
    color: #ffffff;
}

.site-footer__bottom {
    padding-block: var(--space-lg);
    border-top: 1px solid rgba(255, 255, 255, 0.08);
    margin-top: var(--space-2xl);
}

/* Tablet layout: move from stacked layout into wider content groups. */
@media (min-width: 48rem) {
    .grid--2 {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }

    .grid--3 {
        grid-template-columns: repeat(3, minmax(0, 1fr));
    }

    .grid--4 {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }

    .hero-visual__grid,
    .faq-list {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }

    .resource-grid--formats,
    .resource-grid--three,
    .topic-grid,
    .resource-grid--library {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }
}

/* Desktop layout: navigation expands, hero becomes two-column, cards gain breathing room. */
@media (min-width: 64rem) {
    .section {
        padding-block: var(--space-4xl);
    }

    .nav-toggle {
        display: none;
    }

    .site-header__controls {
        order: 3;
        margin-left: 0;
    }

    .site-nav {
        position: static;
        display: block;
        order: 2;
        margin-left: auto;
        padding: 0;
        background: transparent;
        border-bottom: 0;
    }

    .site-nav[data-visible="false"],
    .site-nav[data-visible="true"] {
        display: block;
    }

    .site-nav__list {
        display: flex;
        flex-wrap: wrap;
        align-items: center;
        gap: var(--space-lg);
    }

    .site-nav__link {
        padding: 0;
    }

    .hero__layout,
    .community__layout,
    .contact__layout,
    .site-footer__inner {
        grid-template-columns: repeat(2, minmax(0, 1fr));
        align-items: center;
    }

    .hero__layout {
        grid-template-columns: minmax(0, 1.05fr) minmax(26rem, 0.95fr);
    }

    .page-hero__layout,
    .article-layout {
        grid-template-columns: minmax(0, 1.1fr) minmax(18rem, 0.75fr);
        align-items: start;
    }

    .grid--4 {
        grid-template-columns: repeat(4, minmax(0, 1fr));
    }

    .resource-grid--formats {
        grid-template-columns: repeat(5, minmax(0, 1fr));
    }

    .resource-grid--three,
    .topic-grid,
    .resource-grid--library {
        grid-template-columns: repeat(3, minmax(0, 1fr));
    }

    .hero-visual__grid {
        grid-template-columns: 1fr 1fr;
    }

    .hero-visual__grid .mini-card--accent {
        grid-column: span 2;
    }

    .article-sidebar {
        position: sticky;
        top: 6.5rem;
    }
}

/* Large screens: add a bit more width and keep typography calm. */
@media (min-width: 80rem) {
    .hero__text,
    .section__text {
        max-width: 41rem;
    }
}