/* ===================================
   KONNEXIA CIRCLE - Estilos principales
   Conversión de Tailwind CSS a CSS nativo
   =================================== */

/* Reset y variables */
:root {
    /* Colores */
    --background: hsl(0, 0%, 100%);
    --foreground: hsl(0, 0%, 0%);
    --card: hsl(0, 0%, 100%);
    --card-foreground: hsl(0, 0%, 0%);
    --primary: hsl(0, 0%, 0%);
    --primary-foreground: hsl(0, 0%, 100%);
    --secondary: hsl(0, 0%, 29%);
    --secondary-foreground: hsl(0, 0%, 100%);
    --muted: hsl(0, 0%, 96%);
    --muted-foreground: hsl(0, 0%, 29%);
    --accent: hsl(334, 100%, 41%);
    --accent-foreground: hsl(0, 0%, 100%);
    --border: hsl(0, 0%, 90%);
    --input: hsl(0, 0%, 90%);
    --stone: hsl(0, 0%, 29%);
    --stone-light: hsl(0, 0%, 45%);

    /* Espaciado */
    --spacing-xs: 0.5rem;
    --spacing-sm: 0.75rem;
    --spacing-md: 1rem;
    --spacing-lg: 1.5rem;
    --spacing-xl: 2rem;
    --spacing-2xl: 3rem;
    --spacing-3xl: 4rem;

    /* Tipografía */
    --font-serif: 'Playfair Display', Georgia, serif;
    --font-sans: 'Inter', system-ui, sans-serif;

    /* Tamaños de fuente */
    --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;
    --text-7xl: 4.5rem;
    --text-8xl: 6rem;

    /* Border radius */
    --radius: 0.125rem;

    /* Transiciones */
    --transition-smooth: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-sans);
    background-color: var(--background);
    color: var(--foreground);
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

/* Container principal */
.container {
    width: 100%;
    min-height: 100vh;
    overflow-x: hidden;
}

/* Contenedores de contenido */
.content-container {
    max-width: 72rem;
    margin: 0 auto;
    padding: 0 1.5rem;
}

.content-container-narrow {
    max-width: 56rem;
    margin: 0 auto;
    padding: 0 1rem;
}

.content-container-wide {
    max-width: 80rem;
    margin: 0 auto;
    padding: 0 1rem;
}

/* Secciones */
.section {
    padding: 4rem 1rem;
}

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

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

/* Tipografía */
.title-main {
    font-family: var(--font-serif);
    font-size: var(--text-4xl);
    line-height: 1.2;
    text-align: center;
    color: var(--foreground);
}

.title-large {
    font-family: var(--font-serif);
    font-size: var(--text-3xl);
    line-height: 1.3;
    color: var(--foreground);
    margin-bottom: var(--spacing-xl);
}

.title-section {
    font-family: var(--font-serif);
    font-size: var(--text-3xl);
    color: var(--foreground);
    margin-bottom: var(--spacing-2xl);
}

.title-accent {
    font-family: var(--font-serif);
    font-size: var(--text-3xl);
    font-weight: bold;
    color: var(--accent);
    margin-bottom: var(--spacing-md);
    text-align: center;
}

.subtitle {
    font-size: var(--text-lg);
    color: var(--stone);
    text-align: center;
    letter-spacing: 0.05em;
}

.text-body {
    font-size: var(--text-base);
    line-height: 1.7;
    color: var(--stone-light);
}

.text-muted {
    color: var(--muted-foreground);
    line-height: 1.7;
}

.text-highlight {
    color: var(--foreground);
    font-weight: 500;
}

.text-accent {
    color: var(--accent);
}

.text-quote {
    font-family: var(--font-serif);
    font-size: var(--text-xl);
    font-style: italic;
    color: var(--foreground);
    display: block;
    margin-top: var(--spacing-md);
}

/* Espaciado */
.space-y-large {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-lg);
}

.pt-medium {
    padding-top: var(--spacing-md);
}

.pt-large {
    padding-top: var(--spacing-2xl);
}

.pt-xlarge {
    padding-top: var(--spacing-3xl);
}

.py-large {
    padding-top: var(--spacing-2xl);
    padding-bottom: var(--spacing-2xl);
}

/* Contenido de texto */
.content-text {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-lg);
    font-size: var(--text-lg);
    line-height: 1.7;
    color: var(--stone-light);
}

/* Grids */
.grid-2-col {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--spacing-2xl);
}

.grid-3-col {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--spacing-2xl);
}

.align-start {
    align-items: start;
}

/* Responsive grids */
@media (min-width: 768px) {
    .grid-2-col {
        grid-template-columns: repeat(2, 1fr);
    }

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

/* Hero Section */
.hero-section {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    padding: 3rem 1rem;
}

.hero-background {
    position: absolute;
    inset: 0;
    opacity: 0.05;
}

.hero-background img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.hero-content {
    max-width: 80rem;
    margin: 0 auto;
    text-align: center;
    display: flex;
    flex-direction: column;
    gap: var(--spacing-2xl);
    position: relative;
    z-index: 10;
}

.hero-text {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-lg);
}

.hero-description {
    max-width: 48rem;
    margin: 0 auto;
    display: flex;
    flex-direction: column;
    gap: var(--spacing-md);
    font-size: var(--text-base);
    line-height: 1.7;
    color: var(--stone-light);
}

/* Botones */
.btn {
    display: inline-block;
    padding: 0.75rem 1.5rem;
    font-size: var(--text-base);
    font-weight: 500;
    text-align: center;
    text-decoration: none;
    border-radius: var(--radius);
    transition: var(--transition-smooth);
    cursor: pointer;
    border: none;
}

.btn-primary {
    background-color: var(--primary);
    color: var(--primary-foreground);
}

.btn-primary:hover {
    opacity: 0.9;
    transform: translateY(-2px);
}

.btn-outline {
    border: 1px solid var(--stone);
    color: var(--stone);
    background-color: transparent;
}

.btn-outline:hover {
    background-color: var(--stone);
    color: var(--primary-foreground);
}

.btn-accent {
    background-color: var(--accent);
    color: var(--accent-foreground);
}

.btn-accent:hover {
    opacity: 0.9;
    transform: translateY(-2px);
}

.btn-full {
    width: 100%;
}

.btn-lg {
    padding: 1rem 2rem;
    font-size: var(--text-lg);
}

.btn-xl {
    padding: 1rem 2rem;
    font-size: var(--text-lg);
}

.cta-buttons {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-md);
    justify-content: center;
    align-items: center;
    padding-top: var(--spacing-xl);
}

/* Enlaces */
.link-accent {
    color: var(--accent);
    font-size: var(--text-lg);
    font-weight: 600;
    text-decoration: underline;
    text-underline-offset: 4px;
    transition: var(--transition-smooth);
}

.link-accent:hover {
    opacity: 0.8;
}

.hero-link {
    padding-top: var(--spacing-lg);
}

/* Key Points */
.key-point {
    text-align: center;
}

/* Listas */
.bullet-list {
    list-style: none;
    padding-left: var(--spacing-lg);
}

.bullet-list li {
    position: relative;
    padding-left: var(--spacing-md);
    margin-bottom: var(--spacing-sm);
}

.bullet-list li::before {
    content: '•';
    color: var(--accent);
    font-weight: bold;
    position: absolute;
    left: 0;
}

.benefits-list {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: var(--spacing-md);
}

.benefits-list li {
    display: flex;
    align-items: start;
    gap: var(--spacing-sm);
}

.icon-check {
    width: 1.25rem;
    height: 1.25rem;
    color: var(--accent);
    flex-shrink: 0;
    margin-top: 0.125rem;
}

/* Decision list */
.decision-list {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-xs);
    color: var(--foreground);
    font-family: var(--font-sans);
}

/* For You Section */
.for-you-item {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
}

/* Cards */
.card {
    background-color: var(--card);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    box-shadow: 0 4px 20px -4px rgba(0, 0, 0, 0.15);
}

.card-header {
    padding: 1.5rem;
    border-bottom: 1px solid var(--border);
}

.card-title {
    font-family: var(--font-serif);
    font-size: var(--text-xl);
    color: var(--foreground);
}

.card-body {
    padding: 1.5rem;
}

/* Formulario */
.form-group {
    margin-bottom: var(--spacing-lg);
}

.form-group label {
    display: block;
    margin-bottom: var(--spacing-xs);
    color: var(--foreground);
    font-weight: 500;
}

.form-group input {
    width: 100%;
    padding: 0.75rem 1rem;
    border: 1px solid var(--border);
    border-radius: var(--radius);
    font-size: var(--text-base);
    background-color: var(--background);
    transition: var(--transition-smooth);
}

.form-group input:focus {
    outline: none;
    border-color: var(--accent);
    box-shadow: 0 0 0 3px hsla(334, 100%, 41%, 0.1);
}

.form-checkbox {
    display: flex;
    align-items: start;
    gap: var(--spacing-sm);
    margin-bottom: var(--spacing-lg);
}

.form-checkbox input[type="checkbox"] {
    margin-top: 0.125rem;
    flex-shrink: 0;
}

.form-checkbox label {
    font-size: var(--text-sm);
    color: var(--stone-light);
    line-height: 1.7;
}

.form-note {
    font-size: var(--text-xs);
    color: var(--stone-light);
    text-align: center;
    line-height: 1.7;
    margin-top: var(--spacing-md);
}

.form-success {
    text-align: center;
    padding: var(--spacing-2xl) 0;
}

.success-icon {
    width: 4rem;
    height: 4rem;
    margin: 0 auto var(--spacing-md);
    background-color: hsla(334, 100%, 41%, 0.1);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
}

.success-icon .icon-check {
    width: 2rem;
    height: 2rem;
}

.success-text {
    font-size: var(--text-lg);
    color: var(--foreground);
    font-weight: 500;
}

/* Benefit Cards */
.benefit-card {
    padding: 2rem;
    border: 1px solid var(--border);
    background-color: var(--card);
    border-radius: var(--radius);
    transition: var(--transition-smooth);
}

.benefit-card:hover {
    border-color: hsla(334, 100%, 41%, 0.3);
    box-shadow: 0 10px 40px -10px rgba(0, 0, 0, 0.2);
}

.benefit-title {
    font-family: var(--font-serif);
    font-size: var(--text-2xl);
    color: var(--foreground);
    margin-bottom: var(--spacing-lg);
}

.benefit-content {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-md);
    color: var(--stone-light);
    font-size: var(--text-base);
    line-height: 1.7;
}

/* Topics Grid */
.topics-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--spacing-md);
}

.topic-box {
    padding: 1.5rem;
    border: 1px solid var(--border);
    background-color: var(--card);
}

.topic-box p {
    color: var(--foreground);
    font-size: var(--text-sm);
}

.topic-box-wide {
    grid-column: span 1;
}

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

    .topic-box-wide {
        grid-column: span 2;
    }
}

/* Included List */
.included-list {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: var(--spacing-lg);
}

.included-list li {
    display: flex;
    align-items: start;
    gap: var(--spacing-md);
}

.bullet-accent {
    color: var(--accent);
    font-weight: bold;
    font-size: var(--text-2xl);
    flex-shrink: 0;
}

.sub-list {
    list-style: none;
    padding-left: var(--spacing-lg);
    padding-top: var(--spacing-sm);
    display: flex;
    flex-direction: column;
    gap: var(--spacing-xs);
}

/* How to Join */
.how-to-join-header {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-2xl);
    cursor: default;
}

.icon-rotate {
    width: 2.5rem;
    height: 2.5rem;
    color: var(--accent);
    transition: transform 0.7s ease-out;
}

.how-to-join-header:hover .icon-rotate {
    transform: rotate(360deg);
}

.join-step {
    margin-bottom: var(--spacing-2xl);
}

.step-header {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-md);
}

.step-number {
    font-family: var(--font-serif);
    font-size: var(--text-5xl);
    color: var(--accent);
    flex-shrink: 0;
}

.step-title {
    font-family: var(--font-serif);
    font-size: var(--text-xl);
    color: var(--foreground);
}

.step-content {
    padding-left: 4rem;
    display: flex;
    flex-direction: column;
    gap: var(--spacing-md);
    color: var(--stone-light);
    font-size: var(--text-base);
    line-height: 1.7;
}

/* Accordion */
.accordion {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-md);
}

.accordion-item {
    border: 1px solid var(--border);
    background-color: var(--card);
    padding: 1.5rem;
}

.accordion-trigger {
    width: 100%;
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: var(--spacing-md);
    padding: 0;
    background: none;
    border: none;
    font-family: var(--font-serif);
    font-size: var(--text-lg);
    color: var(--foreground);
    text-align: left;
    cursor: pointer;
    transition: var(--transition-smooth);
}

.accordion-trigger:hover {
    color: var(--accent);
}

.accordion-icon {
    width: 1.5rem;
    height: 1.5rem;
    flex-shrink: 0;
    transition: transform 0.3s ease;
}

.accordion-item.active .accordion-icon {
    transform: rotate(180deg);
}

.accordion-content {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.3s ease;
    color: var(--stone-light);
    font-size: var(--text-base);
    line-height: 1.7;
}

.accordion-content p {
    padding-top: var(--spacing-md);
}

.accordion-item.active .accordion-content {
    max-height: 500px;
}

/* Final CTA */
.final-cta-content {
    max-width: 48rem;
    margin: 0 auto;
    display: flex;
    flex-direction: column;
    gap: var(--spacing-lg);
}

/* Animaciones de scroll */
.animate-section {
    opacity: 0;
    transform: translateY(30px) translateZ(0);
    transition: opacity 0.5s cubic-bezier(0.25, 0.1, 0.25, 1),
                transform 0.5s cubic-bezier(0.25, 0.1, 0.25, 1);
    will-change: opacity, transform;
}

.animate-section.visible {
    opacity: 1;
    transform: translateY(0) translateZ(0);
}

/* Utilidades de texto */
.text-center {
    text-align: center;
}

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

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

.font-medium {
    font-weight: 500;
}

/* Responsive Typography */
@media (min-width: 640px) {
    .title-main {
        font-size: var(--text-5xl);
    }

    .title-large {
        font-size: var(--text-4xl);
    }

    .title-section {
        font-size: var(--text-4xl);
    }

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

    .cta-buttons {
        flex-direction: row;
    }
}

@media (min-width: 768px) {
    .title-main {
        font-size: var(--text-6xl);
    }

    .title-large {
        font-size: var(--text-5xl);
    }

    .section {
        padding: 6rem 1.5rem;
    }
}

@media (min-width: 1024px) {
    .title-main {
        font-size: var(--text-7xl);
    }

    .title-large {
        font-size: var(--text-6xl);
    }

    .section {
        padding: 8rem 1.5rem;
    }
}

@media (min-width: 1280px) {
    .title-main {
        font-size: var(--text-8xl);
    }
}