:root {
    --color-background: #fae9f7;
    --color-primary: #9b5480;
    --color-text: #362c34;
    --color-secondary: #f1c0e8;
}

/* =========================
   CONFIGURACIÓN GENERAL
========================= */

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

html {
    scroll-behavior: smooth;
}

body {
    background-color: var(--color-background);
    color: var(--color-text);
    font-family: Arial, sans-serif;
}

/* =========================
   NAVEGACIÓN
========================= */

header {
    padding: 24px 8%;
}

.navbar {
    display: grid;
    grid-template-columns: 1fr auto 1fr;
    align-items: center;
    width: 100%;
}

.logo {
    justify-self: start;
    color: var(--color-primary);
    text-decoration: none;
    font-size: 1.4rem;
    font-weight: bold;
}

.nav-center {
    justify-self: center;
}

.nav-links {
    display: flex;
    align-items: center;
    justify-content: center;
    list-style: none;
    gap: 28px;
    margin: 0;
    padding: 0;
}

.nav-links a {
    text-decoration: none;
    color: var(--color-text);
    font-size: 15px;
    white-space: nowrap;
    transition: color 0.3s ease;
}

.nav-links a:hover {
    color: var(--color-primary);
}

.nav-actions {
    justify-self: end;
    display: flex;
    align-items: center;
    gap: 20px;
}

.nav-instagram {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    color: var(--color-primary);
    text-decoration: none;
    transition: color 0.3s ease;
}

.nav-instagram svg {
    display: block;
    width: 22px;
    height: 22px;
}

.nav-instagram:hover {
    color: var(--color-text);
}

.nav-appointment {
    background-color: var(--color-primary);
    color: white;
    text-decoration: none;
    padding: 11px 22px;
    border-radius: 30px;
    font-size: 14px;
    white-space: nowrap;
    transition: all 0.3s ease;
}

.nav-appointment:hover {
    background-color: var(--color-text);
    transform: translateY(-2px);
}

/* =========================
   PORTADA
========================= */

.hero {
    min-height: 70vh;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    text-align: center;
    padding: 40px 20px;
}

.hero-label {
    color: var(--color-primary);
    font-size: 2.2rem;
    letter-spacing: 2px;
    margin-bottom: 20px;
}

.hero h1 {
    font-size: clamp(2rem, 5vw, 3.5rem);
    margin-bottom: 20px;
}

.hero p {
    font-size: 1.1rem;
    line-height: 1.7;
    max-width: 650px;
}

.hero-actions {
    margin-top: 30px;
}

.btn-primary {
    display: inline-block;
    padding: 15px 32px;
    background-color: var(--color-primary);
    color: white;
    text-decoration: none;
    border-radius: 30px;
    font-size: 1rem;
    transition: all 0.3s ease;
}

.btn-primary:hover {
    background-color: var(--color-text);
    transform: translateY(-2px);
}

.hero-note {
    margin-top: 20px;
    font-size: 0.85rem;
    color: var(--color-primary);
}

/* =========================
   PREVIEWS Y TRANSICIONES
========================= */

/* Versión inicial: contenido normal si
   JavaScript no está disponible. */

.preview-stage {
    padding: 80px 8%;
}

.preview-pin {
    display: flex;
    flex-direction: column;
    gap: 100px;
}

.preview-card {
    max-width: 650px;
    width: 100%;
    padding: 40px 0;
}

.preview-left {
    align-self: flex-start;
    text-align: left;
}

.preview-right {
    align-self: flex-end;
    text-align: right;
}

.preview-label {
    display: block;
    color: var(--color-primary);
    font-size: 0.8rem;
    letter-spacing: 2px;
    margin-bottom: 22px;
}

.preview-card h2 {
    font-size: clamp(2rem, 4vw, 3.2rem);
    font-weight: normal;
    line-height: 1.2;
    margin-bottom: 20px;
}

.preview-card p {
    font-size: 1.05rem;
    line-height: 1.8;
    max-width: 520px;
    margin-bottom: 24px;
}

.preview-right p {
    margin-left: auto;
}

.preview-link {
    display: inline-flex;
    align-items: center;
    gap: 9px;
    color: var(--color-primary);
    text-decoration: none;
    font-size: 0.95rem;
    transition: gap 0.3s ease, color 0.3s ease;
}

.preview-link:hover {
    gap: 15px;
    color: var(--color-text);
}

/* Activación del recorrido animado */

.preview-stage.is-enhanced {
    height: 400svh;
    padding: 0;
    position: relative;
}

.preview-stage.is-enhanced .preview-pin {
    position: sticky;
    top: 0;
    height: 100svh;
    width: 100%;
    display: block;
    overflow: hidden;
}

.preview-stage.is-enhanced .preview-card {
    position: absolute;
    inset: 0;
    display: flex;
    flex-direction: column;
    justify-content: center;
    padding: 8% 12%;
    max-width: none;
    opacity: 0;
    visibility: hidden;
    pointer-events: none;
    will-change: opacity, transform;
}

.preview-stage.is-enhanced .preview-card.is-active {
    visibility: visible;
    pointer-events: auto;
}

.preview-stage.is-enhanced .preview-left {
    align-items: flex-start;
    text-align: left;
}

.preview-stage.is-enhanced .preview-right {
    align-items: flex-end;
    text-align: right;
}

.preview-stage.is-enhanced .preview-card p {
    max-width: 540px;
}

.preview-stage.is-enhanced .preview-right p {
    margin-left: 0;
}

/* =========================
   PIE DE PÁGINA
========================= */

footer {
    padding: 30px 8%;
    text-align: center;
    background-color: var(--color-secondary);
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 10px;
}

footer p {
    color: var(--color-text);
    font-size: 0.9rem;
}

footer a {
    color: var(--color-primary);
    text-decoration: none;
    font-size: 0.9rem;
    transition: color 0.3s ease;
}

footer a:hover {
    color: var(--color-text);
}

/* =========================
   RESPONSIVE
========================= */

@media (max-width: 900px) {
    .navbar {
        grid-template-columns: 1fr;
        justify-items: center;
        gap: 20px;
    }

    .logo,
    .nav-center,
    .nav-actions {
        justify-self: center;
    }

    .nav-links {
        flex-wrap: wrap;
        justify-content: center;
        gap: 18px;
    }

    .preview-stage.is-enhanced .preview-card {
        padding: 8%;
    }
}

@media (max-width: 480px) {
    .nav-links {
        gap: 14px;
    }

    .nav-links a {
        font-size: 14px;
    }

    .hero-label {
        font-size: 1.5rem;
    }

    .preview-stage {
        padding: 50px 8%;
    }

    .preview-stage.is-enhanced .preview-card {
        padding: 9%;
    }

    .preview-card h2 {
        font-size: 2rem;
    }

    .preview-card p {
        font-size: 0.95rem;
    }
}

/* =========================
   ACCESIBILIDAD
========================= */

@media (prefers-reduced-motion: reduce) {
    html {
        scroll-behavior: auto;
    }

    .preview-stage.is-enhanced {
        height: auto;
    }

    .preview-stage.is-enhanced .preview-pin {
        position: relative;
        height: auto;
        overflow: visible;
        display: flex;
        flex-direction: column;
        gap: 60px;
    }

    .preview-stage.is-enhanced .preview-card {
        position: relative;
        inset: auto;
        opacity: 1 !important;
        visibility: visible !important;
        transform: none !important;
        pointer-events: auto;
        padding: 35px 0;
    }
}